diff --git a/README.md b/README.md
index 93fa3d10..a2c731b3 100644
--- a/README.md
+++ b/README.md
@@ -161,7 +161,13 @@ Render every palette and layout combination configured in `render.json`:
 bun run generate
 ```
 
-The generated PNG assets are written to `bitmaps/<variant>`.
+The generated PNG assets are written to `bitmaps/<variant>`. Rendering uses up
+to four workers by default. Override the worker count when more CPU and memory
+are available:
+
+```bash
+BIBATA_GENERATE_JOBS=8 bun run generate
+```
 
 To change or add a color variant, add another entry to `render.json`. Each color
 mapping replaces the source SVG's base, outline, or activity color during
diff --git a/bun.lock b/bun.lock
index d541ff85..b29f5afa 100644
--- a/bun.lock
+++ b/bun.lock
@@ -6,6 +6,10 @@
       "dependencies": {
         "cbmp": "^1.1.1",
       },
+      "devDependencies": {
+        "@types/bun": "^1.3.14",
+        "typescript": "^7.0.2",
+      },
     },
   },
   "packages": {
@@ -47,10 +51,52 @@
 
     "@tootallnate/quickjs-emscripten": ["@tootallnate/quickjs-emscripten@0.23.0", "", {}, "sha512-C5Mc6rdnsaJDjO3UpGW/CQTHtCKaYlScZTly4JIu97Jxo/odCiH0ITnDXSJPTOrEKk/ycSZ0AOgTmkDtkOsvIA=="],
 
+    "@types/bun": ["@types/bun@1.3.14", "", { "dependencies": { "bun-types": "1.3.14" } }, "sha512-h1hFqFVcvAvD9j9K7ZW7vd82aSA+rTdznZa+5bwvCwqSB1jmmfLcbIWhOLx1/+boy/xmjgCs/OMUL8hRJSmnPw=="],
+
     "@types/node": ["@types/node@24.5.2", "", { "dependencies": { "undici-types": "7.12.0" } }, "sha512-FYxk1I7wPv3K2XBaoyH2cTnocQEu8AOZ60hPbsyukMPLv5/5qr7V1i8PLHdl6Zf87I+xZXFvPCXYjiTFq+YSDQ=="],
 
     "@types/yauzl": ["@types/yauzl@2.10.3", "", { "dependencies": { "@types/node": "24.5.2" } }, "sha512-oJoftv0LSuaDZE3Le4DbKX+KS9G36NzOeSap90UIK0yMA/NhKJhqlSGtNDORNRaIbQfzjXDrQa0ytJ6mNRGz/Q=="],
 
+    "@typescript/typescript-aix-ppc64": ["@typescript/typescript-aix-ppc64@7.0.2", "", { "os": "aix", "cpu": "ppc64" }, "sha512-MTKKkWB7p/0E9xi1d1tHtZ5PiLkGEMIq88pK2CubZjOsLtYTLqhgIgi6zepFa+9GHZ6h05NMCkQxGKiPXMxXtQ=="],
+
+    "@typescript/typescript-darwin-arm64": ["@typescript/typescript-darwin-arm64@7.0.2", "", { "os": "darwin", "cpu": "arm64" }, "sha512-gowzar9MwS/aRWp6f3a4KUqzRjAZjOsmGNCM6LcTgXum+dBfgsBVMN+AgvOCCbguXyick6LJhpBszxMebJ8syA=="],
+
+    "@typescript/typescript-darwin-x64": ["@typescript/typescript-darwin-x64@7.0.2", "", { "os": "darwin", "cpu": "x64" }, "sha512-SZ9xZInqApNlNGc9s0W1VSsktYSOe9cFqNOIqmN1Gs8SmkjKZYFt017G4VwPxASInODuAdbTW7sXiFUf893RgA=="],
+
+    "@typescript/typescript-freebsd-arm64": ["@typescript/typescript-freebsd-arm64@7.0.2", "", { "os": "freebsd", "cpu": "arm64" }, "sha512-W5NH4y/J0plIIS5b2xvTEkU7JFxyqdMAOgf+Ilhl0vHQXKO5dZoxd+C/jEtq56c4F3wk71RB4BMRQ2XdI+bwYQ=="],
+
+    "@typescript/typescript-freebsd-x64": ["@typescript/typescript-freebsd-x64@7.0.2", "", { "os": "freebsd", "cpu": "x64" }, "sha512-UMGDx5sTpzNw3WiPebH7l90IWfJggEd+egHt/q6p7/Cm3zqoV7VxkGXt+3DxPIw8CcmvAB0j3sVVfbhX+M4Tpw=="],
+
+    "@typescript/typescript-linux-arm": ["@typescript/typescript-linux-arm@7.0.2", "", { "os": "linux", "cpu": "arm" }, "sha512-gffT3xPz9sR7j/YJExkyPntrI0P2EP9XbOyWzth2/Gs0RstK+90RBcO0ncXoXy/beYll1SXw846Nf2zdnEz0QQ=="],
+
+    "@typescript/typescript-linux-arm64": ["@typescript/typescript-linux-arm64@7.0.2", "", { "os": "linux", "cpu": "arm64" }, "sha512-Qh4eU4/y3yDjnfjjyPYihMj5/ODIlmt+Bzu17OI+fiSRDW57QmU5SiN63exPRNJPKUzcc1INa1NXdrJ+MqHjUQ=="],
+
+    "@typescript/typescript-linux-loong64": ["@typescript/typescript-linux-loong64@7.0.2", "", { "os": "linux", "cpu": "none" }, "sha512-uEHck9i8hoAzXPiYRib1O7miOnz23SxIeVl6F4LXox+qov1K35jHcEW6VHKvZI+pyvl7fZEP4MCU5LYvIq1GuQ=="],
+
+    "@typescript/typescript-linux-mips64el": ["@typescript/typescript-linux-mips64el@7.0.2", "", { "os": "linux", "cpu": "none" }, "sha512-R4KvAMnE43W5Qeqb0Ly56O3mWMWIAgsMyz36DCaycd5nbg/9kzm0liw3JocfRqyJY0KPmzFjbswozXyW0DnIYA=="],
+
+    "@typescript/typescript-linux-ppc64": ["@typescript/typescript-linux-ppc64@7.0.2", "", { "os": "linux", "cpu": "ppc64" }, "sha512-DORx5b3sd/4S7eayxm4FQv+A7CrkUIGRaHiwI8oiHTAI1fAPWhF4J0vAlkC8biAlHSVVwxMQ3tjZ2/DVbnQiiA=="],
+
+    "@typescript/typescript-linux-riscv64": ["@typescript/typescript-linux-riscv64@7.0.2", "", { "os": "linux", "cpu": "none" }, "sha512-wf0jqEDOjrPRnKwYRyyJDRo11KMbvMFrU+q4zqKyChODBzvlkbhNQfKvLxQCcwTpdDaXSHZTVuh0JoCrKCUMHQ=="],
+
+    "@typescript/typescript-linux-s390x": ["@typescript/typescript-linux-s390x@7.0.2", "", { "os": "linux", "cpu": "s390x" }, "sha512-IkwJc3L7yhytWd/ewjyxNDfOmswCm9GWMJT/ue/dU4aZNbwZeYAetq42VyLmsmSjvoX7z74X6ZaYCtzAr0EuGw=="],
+
+    "@typescript/typescript-linux-x64": ["@typescript/typescript-linux-x64@7.0.2", "", { "os": "linux", "cpu": "x64" }, "sha512-EYdf2cNg7rgCWJnxCdJ+F3V39O8ihb37eHAu1LK8oAFizgTQbPOK7zHHXbPt8rX24COqODXeI3sIf0fCXG7H/A=="],
+
+    "@typescript/typescript-netbsd-arm64": ["@typescript/typescript-netbsd-arm64@7.0.2", "", { "os": "none", "cpu": "arm64" }, "sha512-+polYF4MF04aPpO5FTkHran9yUQDSXqy5GiSDKpsll5jy3l3+g9QLhpf39T+ePtefhXLOGrLl0QIjkQP6VnelA=="],
+
+    "@typescript/typescript-netbsd-x64": ["@typescript/typescript-netbsd-x64@7.0.2", "", { "os": "none", "cpu": "x64" }, "sha512-8YIT0EHM/3dq10ZOVF/A7pc/YSMtbcecct4rWtexrnSCHOPcpC2KTLXfTCR6vDpnSiY12heNb1GiN/wu+T/FyA=="],
+
+    "@typescript/typescript-openbsd-arm64": ["@typescript/typescript-openbsd-arm64@7.0.2", "", { "os": "openbsd", "cpu": "arm64" }, "sha512-APT8+ClYnuYm1u9+kgGXoMj2VzWzcymwh2gNSQVySHfkRDGOTVkoWLjCmOQSaO+PoqQ57B0flRp9SA+7GnnkzQ=="],
+
+    "@typescript/typescript-openbsd-x64": ["@typescript/typescript-openbsd-x64@7.0.2", "", { "os": "openbsd", "cpu": "x64" }, "sha512-yX7s+Q0Dln0Dt9tEzZsAjXXR/+ytBM7AlglaqyeMPxQszJ1JhlJdZ6jLA+IzldHtflX81em7lDao1xXu+aRRkg=="],
+
+    "@typescript/typescript-sunos-x64": ["@typescript/typescript-sunos-x64@7.0.2", "", { "os": "sunos", "cpu": "x64" }, "sha512-dLJDGaLZ1D4HPQn62u1n8mBDkJREwMsAkCdkwd4Ieqw+x3TUyTsqY0YiBCtE6H6OzzgGk3iuZ3vFWRS+E8/d1g=="],
+
+    "@typescript/typescript-win32-arm64": ["@typescript/typescript-win32-arm64@7.0.2", "", { "os": "win32", "cpu": "arm64" }, "sha512-Gyl1Vy6OsWesLzmq+EP0Fb7b4Nid5232AvcA2SFcdYreldpNtYFFofPjnt62y9hQy7VTaZp65ICJjuAQRaVcIQ=="],
+
+    "@typescript/typescript-win32-x64": ["@typescript/typescript-win32-x64@7.0.2", "", { "os": "win32", "cpu": "x64" }, "sha512-0BQ3HkAHHlKLSp1qRvf3SUhGpGsDuhB/jgFw75guyqbxJqEaS0Cw/VFO8i2nHglJUzQCRtMMR/IBAKE3ETMC4g=="],
+
     "agent-base": ["agent-base@7.1.4", "", {}, "sha512-MnA+YT8fwfJPgBx3m60MNqakm30XOkyIoH1y6huTQvC0PwZG7ki8NacLBcrPbNoo8vEZy7Jpuk7+jMO+CUovTQ=="],
 
     "ansi-regex": ["ansi-regex@6.2.2", "", {}, "sha512-Bq3SmSpyFHaWjPk8If9yc6svM8c56dB5BAtW4Qbw5jHTwwXXcTLoRMkpDJp6VL0XzlWaCHTXrkFURMYmD0sLqg=="],
@@ -79,6 +125,8 @@
 
     "buffer-crc32": ["buffer-crc32@0.2.13", "", {}, "sha512-VO9Ht/+p3SN7SKWqcrgEzjGbRSJYTx+Q1pTQC0wrWqHx0vpJraQ6GtHx8tvcg1rlK1byhU5gccxgOgj7B0TDkQ=="],
 
+    "bun-types": ["bun-types@1.3.14", "", { "dependencies": { "@types/node": "*" } }, "sha512-4N0ig0fEomHt5R0KCFWjovxow98rIoRwKolrYdCcknNwMekCXRnWEUvgu5soYV8QXtVsrUD8B95MBOZGPvr6KQ=="],
+
     "callsites": ["callsites@3.1.0", "", {}, "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ=="],
 
     "cbmp": ["cbmp@1.1.1", "", { "dependencies": { "@resvg/resvg-js": "2.6.2", "chalk": "5.6.2", "commander": "11.1.0", "glob": "10.4.5", "ora": "7.0.1", "pixelmatch": "5.3.0", "pngjs": "7.0.0", "puppeteer": "21.11.0" }, "bin": { "cbmp": "bin/cbmp.js" } }, "sha512-G2CstvZ8bgX85hzA9nDhKRglGyjZWIp8V01SXtQ6f4NNFe7Xy+lL+z7MrtWCnpKPbBUtr2VJWwZRJaexJDm5kA=="],
@@ -291,6 +339,8 @@
 
     "tslib": ["tslib@2.8.1", "", {}, "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="],
 
+    "typescript": ["typescript@7.0.2", "", { "optionalDependencies": { "@typescript/typescript-aix-ppc64": "7.0.2", "@typescript/typescript-darwin-arm64": "7.0.2", "@typescript/typescript-darwin-x64": "7.0.2", "@typescript/typescript-freebsd-arm64": "7.0.2", "@typescript/typescript-freebsd-x64": "7.0.2", "@typescript/typescript-linux-arm": "7.0.2", "@typescript/typescript-linux-arm64": "7.0.2", "@typescript/typescript-linux-loong64": "7.0.2", "@typescript/typescript-linux-mips64el": "7.0.2", "@typescript/typescript-linux-ppc64": "7.0.2", "@typescript/typescript-linux-riscv64": "7.0.2", "@typescript/typescript-linux-s390x": "7.0.2", "@typescript/typescript-linux-x64": "7.0.2", "@typescript/typescript-netbsd-arm64": "7.0.2", "@typescript/typescript-netbsd-x64": "7.0.2", "@typescript/typescript-openbsd-arm64": "7.0.2", "@typescript/typescript-openbsd-x64": "7.0.2", "@typescript/typescript-sunos-x64": "7.0.2", "@typescript/typescript-win32-arm64": "7.0.2", "@typescript/typescript-win32-x64": "7.0.2" }, "bin": { "tsc": "bin/tsc" } }, "sha512-8FYau96o3NKOhbjKi/qNvG/W5jhzxkbdm5sj9AbZ/5T5sWqn3hJgLfGx27sRKZWTvyzCP8dLRBTf5tBTSRVUNA=="],
+
     "unbzip2-stream": ["unbzip2-stream@1.4.3", "", { "dependencies": { "buffer": "5.7.1", "through": "2.3.8" } }, "sha512-mlExGW4w71ebDJviH16lQLtZS32VKqsSfk80GCfUlwT/4/hNRFsoscrF/c++9xinkMzECL1uL9DDwXqFWkruPg=="],
 
     "undici-types": ["undici-types@7.12.0", "", {}, "sha512-goOacqME2GYyOZZfb5Lgtu+1IDmAlAEu5xnD3+xTzS10hT0vzpf0SPjkXwAw9Jm+4n/mQGDP3LO8CPbYROeBfQ=="],
diff --git a/package.json b/package.json
index f7471c88..c2e69903 100644
--- a/package.json
+++ b/package.json
@@ -3,11 +3,16 @@
   "scripts": {
     "build:hyprcursor": "bash scripts/build-hyprcursor.sh",
     "clean": "rm -rf bin bitmaps dist hyprcursor-build",
-    "generate": "cbmp render.json",
-    "link": "python3 scripts/link-svg-layouts.py"
+    "generate": "bun scripts/generate-bitmaps.ts",
+    "link": "python3 scripts/link-svg-layouts.py",
+    "typecheck": "tsc --noEmit"
   },
   "dependencies": {
     "cbmp": "^1.1.1"
   },
+  "devDependencies": {
+    "@types/bun": "^1.3.14",
+    "typescript": "^7.0.2"
+  },
   "packageManager": "bun@1.3.13"
 }
diff --git a/render.json b/render.json
index 9feda1da..d68d6ec8 100644
--- a/render.json
+++ b/render.json
@@ -4,15 +4,15 @@
     "out": "bitmaps/Bibata-Modern-Classic",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#000000"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#FFFFFF"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#000000"
       }
     ]
@@ -22,15 +22,15 @@
     "out": "bitmaps/Bibata-Modern-Rosepine",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#26233a"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#e0def4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#191724"
       }
     ]
@@ -40,15 +40,15 @@
     "out": "bitmaps/Bibata-Modern-Rosepine-Moon",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#393552"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#e0def4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#232136"
       }
     ]
@@ -58,15 +58,15 @@
     "out": "bitmaps/Bibata-Modern-Rosepine-Dawn",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#f2e9e1"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#464261"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#faf4ed"
       }
     ]
@@ -76,15 +76,15 @@
     "out": "bitmaps/Bibata-Modern-Gruvbox-Dark",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#504945"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#fbf1c7"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#282828"
       }
     ]
@@ -94,15 +94,15 @@
     "out": "bitmaps/Bibata-Modern-Gruvbox-Light",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#d5c4a1"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#282828"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#fbf1c7"
       }
     ]
@@ -112,15 +112,15 @@
     "out": "bitmaps/Bibata-Modern-Catppuccin-Latte",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#eff1f5"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#4c4f69"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#e6e9ef"
       }
     ]
@@ -130,15 +130,15 @@
     "out": "bitmaps/Bibata-Modern-Catppuccin-Frappe",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#303446"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#c6d0f5"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#292c3c"
       }
     ]
@@ -148,15 +148,15 @@
     "out": "bitmaps/Bibata-Modern-Catppuccin-Macchiato",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#24273a"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#cad3f5"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#1e2030"
       }
     ]
@@ -166,15 +166,15 @@
     "out": "bitmaps/Bibata-Modern-Catppuccin-Mocha",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#1e1e2e"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#cdd6f4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#181825"
       }
     ]
@@ -184,15 +184,15 @@
     "out": "bitmaps/Bibata-Modern-Classic-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#000000"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#FFFFFF"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#000000"
       }
     ]
@@ -202,15 +202,15 @@
     "out": "bitmaps/Bibata-Modern-Rosepine-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#26233a"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#e0def4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#191724"
       }
     ]
@@ -220,15 +220,15 @@
     "out": "bitmaps/Bibata-Modern-Rosepine-Moon-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#393552"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#e0def4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#232136"
       }
     ]
@@ -238,15 +238,15 @@
     "out": "bitmaps/Bibata-Modern-Rosepine-Dawn-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#f2e9e1"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#464261"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#faf4ed"
       }
     ]
@@ -256,15 +256,15 @@
     "out": "bitmaps/Bibata-Modern-Gruvbox-Dark-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#504945"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#fbf1c7"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#282828"
       }
     ]
@@ -274,15 +274,15 @@
     "out": "bitmaps/Bibata-Modern-Gruvbox-Light-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#d5c4a1"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#282828"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#fbf1c7"
       }
     ]
@@ -292,15 +292,15 @@
     "out": "bitmaps/Bibata-Modern-Catppuccin-Latte-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#eff1f5"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#4c4f69"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#e6e9ef"
       }
     ]
@@ -310,15 +310,15 @@
     "out": "bitmaps/Bibata-Modern-Catppuccin-Frappe-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#303446"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#c6d0f5"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#292c3c"
       }
     ]
@@ -328,15 +328,15 @@
     "out": "bitmaps/Bibata-Modern-Catppuccin-Macchiato-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#24273a"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#cad3f5"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#1e2030"
       }
     ]
@@ -346,15 +346,15 @@
     "out": "bitmaps/Bibata-Modern-Catppuccin-Mocha-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#1e1e2e"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#cdd6f4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#181825"
       }
     ]
@@ -364,15 +364,15 @@
     "out": "bitmaps/Bibata-Original-Classic",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#000000"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#FFFFFF"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#000000"
       }
     ]
@@ -382,15 +382,15 @@
     "out": "bitmaps/Bibata-Original-Rosepine",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#26233a"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#e0def4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#191724"
       }
     ]
@@ -400,15 +400,15 @@
     "out": "bitmaps/Bibata-Original-Rosepine-Moon",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#393552"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#e0def4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#232136"
       }
     ]
@@ -418,15 +418,15 @@
     "out": "bitmaps/Bibata-Original-Rosepine-Dawn",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#f2e9e1"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#464261"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#faf4ed"
       }
     ]
@@ -436,15 +436,15 @@
     "out": "bitmaps/Bibata-Original-Gruvbox-Dark",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#504945"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#fbf1c7"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#282828"
       }
     ]
@@ -454,15 +454,15 @@
     "out": "bitmaps/Bibata-Original-Gruvbox-Light",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#d5c4a1"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#282828"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#fbf1c7"
       }
     ]
@@ -472,15 +472,15 @@
     "out": "bitmaps/Bibata-Original-Catppuccin-Latte",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#eff1f5"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#4c4f69"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#e6e9ef"
       }
     ]
@@ -490,15 +490,15 @@
     "out": "bitmaps/Bibata-Original-Catppuccin-Frappe",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#303446"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#c6d0f5"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#292c3c"
       }
     ]
@@ -508,15 +508,15 @@
     "out": "bitmaps/Bibata-Original-Catppuccin-Macchiato",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#24273a"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#cad3f5"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#1e2030"
       }
     ]
@@ -526,15 +526,15 @@
     "out": "bitmaps/Bibata-Original-Catppuccin-Mocha",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#1e1e2e"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#cdd6f4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#181825"
       }
     ]
@@ -544,15 +544,15 @@
     "out": "bitmaps/Bibata-Original-Classic-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#000000"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#FFFFFF"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#000000"
       }
     ]
@@ -562,15 +562,15 @@
     "out": "bitmaps/Bibata-Original-Rosepine-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#26233a"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#e0def4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#191724"
       }
     ]
@@ -580,15 +580,15 @@
     "out": "bitmaps/Bibata-Original-Rosepine-Moon-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#393552"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#e0def4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#232136"
       }
     ]
@@ -598,15 +598,15 @@
     "out": "bitmaps/Bibata-Original-Rosepine-Dawn-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#f2e9e1"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#464261"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#faf4ed"
       }
     ]
@@ -616,15 +616,15 @@
     "out": "bitmaps/Bibata-Original-Gruvbox-Dark-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#504945"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#fbf1c7"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#282828"
       }
     ]
@@ -634,15 +634,15 @@
     "out": "bitmaps/Bibata-Original-Gruvbox-Light-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#d5c4a1"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#282828"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#fbf1c7"
       }
     ]
@@ -652,15 +652,15 @@
     "out": "bitmaps/Bibata-Original-Catppuccin-Latte-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#eff1f5"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#4c4f69"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#e6e9ef"
       }
     ]
@@ -670,15 +670,15 @@
     "out": "bitmaps/Bibata-Original-Catppuccin-Frappe-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#303446"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#c6d0f5"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#292c3c"
       }
     ]
@@ -688,15 +688,15 @@
     "out": "bitmaps/Bibata-Original-Catppuccin-Macchiato-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#24273a"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#cad3f5"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#1e2030"
       }
     ]
@@ -706,15 +706,15 @@
     "out": "bitmaps/Bibata-Original-Catppuccin-Mocha-Right",
     "colors": [
       {
-        "match": "#00FF00",
+        "match": "#0f0",
         "replace": "#1e1e2e"
       },
       {
-        "match": "#0000FF",
+        "match": "#00f",
         "replace": "#cdd6f4"
       },
       {
-        "match": "#FF0000",
+        "match": "#fe0000",
         "replace": "#181825"
       }
     ]
diff --git a/scripts/generate-bitmaps.ts b/scripts/generate-bitmaps.ts
new file mode 100644
index 00000000..9ddb922a
--- /dev/null
+++ b/scripts/generate-bitmaps.ts
@@ -0,0 +1,110 @@
+#!/usr/bin/env bun
+
+import { mkdtemp, rm, writeFile } from "node:fs/promises";
+import { availableParallelism, tmpdir } from "node:os";
+import path from "node:path";
+
+type ColorReplacement = {
+  match: string;
+  replace: string;
+};
+
+type RenderOptions = {
+  dir: string;
+  out: string;
+  colors?: ColorReplacement[];
+  fps?: number;
+  use?: "default" | "puppeteer";
+};
+
+type RenderConfig = Record<string, RenderOptions>;
+
+type WorkerResult = {
+  index: number;
+  exitCode: number;
+  stderr: string;
+};
+
+function isRecord(value: unknown): value is Record<string, unknown> {
+  return typeof value === "object" && value !== null && !Array.isArray(value);
+}
+
+function isColorReplacement(value: unknown): value is ColorReplacement {
+  return isRecord(value) && typeof value.match === "string" && typeof value.replace === "string";
+}
+
+function isRenderOptions(value: unknown): value is RenderOptions {
+  return (
+    isRecord(value) &&
+    typeof value.dir === "string" &&
+    typeof value.out === "string" &&
+    (value.colors === undefined ||
+      (Array.isArray(value.colors) && value.colors.every(isColorReplacement))) &&
+    (value.fps === undefined || typeof value.fps === "number") &&
+    (value.use === undefined || value.use === "default" || value.use === "puppeteer")
+  );
+}
+
+function isRenderConfig(value: unknown): value is RenderConfig {
+  return isRecord(value) && Object.values(value).every(isRenderOptions);
+}
+
+const configPath = process.argv[2] ?? "render.json";
+const config: unknown = await Bun.file(configPath).json();
+
+if (!isRenderConfig(config)) {
+  throw new TypeError(`Invalid render configuration in ${configPath}`);
+}
+
+const entries = Object.entries(config);
+
+if (entries.length === 0) {
+  throw new Error(`No render configurations found in ${configPath}`);
+}
+
+const requestedJobs = Number.parseInt(process.env.BIBATA_GENERATE_JOBS ?? "", 10);
+const defaultJobs = Math.min(4, availableParallelism());
+const jobCount = Math.min(
+  entries.length,
+  Number.isInteger(requestedJobs) && requestedJobs > 0 ? requestedJobs : defaultJobs,
+);
+const entriesPerJob = Math.ceil(entries.length / jobCount);
+const shards = Array.from({ length: jobCount }, (_, index) =>
+  entries.slice(index * entriesPerJob, (index + 1) * entriesPerJob),
+).filter((shard) => shard.length > 0);
+
+const temporaryDirectory = await mkdtemp(path.join(tmpdir(), "bibata-render-"));
+const cbmpPath = path.resolve(import.meta.dir, "../node_modules/cbmp/bin/cbmp.js");
+
+console.log(`Rendering ${entries.length} configurations with ${shards.length} workers`);
+
+try {
+  const results = await Promise.all(
+    shards.map(async (shard, index) => {
+      const shardPath = path.join(temporaryDirectory, `${index}.json`);
+      await writeFile(shardPath, JSON.stringify(Object.fromEntries(shard)));
+
+      const child = Bun.spawn([process.execPath, cbmpPath, shardPath], {
+        cwd: process.cwd(),
+        stdout: "ignore",
+        stderr: "pipe",
+      });
+      const stderr = new Response(child.stderr).text();
+      const exitCode = await child.exited;
+      return { index, exitCode, stderr: await stderr } satisfies WorkerResult;
+    }),
+  );
+
+  const failures = results.filter(({ exitCode }) => exitCode !== 0);
+  if (failures.length > 0) {
+    for (const { index, exitCode, stderr } of failures) {
+      console.error(`Worker ${index + 1} failed with exit code ${exitCode}`);
+      console.error(stderr.trim());
+    }
+    process.exitCode = 1;
+  } else {
+    console.log("Bitmap generation completed");
+  }
+} finally {
+  await rm(temporaryDirectory, { recursive: true, force: true });
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 00000000..399ff8cd
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "allowImportingTsExtensions": true,
+    "lib": ["ESNext"],
+    "module": "Preserve",
+    "moduleDetection": "force",
+    "moduleResolution": "bundler",
+    "noEmit": true,
+    "noFallthroughCasesInSwitch": true,
+    "noImplicitOverride": true,
+    "noUncheckedIndexedAccess": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "target": "ESNext",
+    "types": ["bun"],
+    "verbatimModuleSyntax": true
+  },
+  "include": ["scripts/**/*.ts"]
+}