From 1d4d206286dbcd828524949aeb6dadb02110b178 Mon Sep 17 00:00:00 2001
From: Jeffrey Alan Scudder <me@jas.life>
Date: Mon, 30 Mar 2026 14:32:10 -0700
Subject: [PATCH] updtae hash color

---
 .../disks/common/hash-color.mjs               | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 system/public/aesthetic.computer/disks/common/hash-color.mjs

diff --git a/system/public/aesthetic.computer/disks/common/hash-color.mjs b/system/public/aesthetic.computer/disks/common/hash-color.mjs
new file mode 100644
index 000000000..78d36019d
--- /dev/null
+++ b/system/public/aesthetic.computer/disks/common/hash-color.mjs
@@ -0,0 +1,47 @@
+// hash-color, 2025.3.30
+// Per-character color identity for git commit hashes.
+// Each hex digit (0-f) maps to a distinct hue, producing a
+// colorful "fingerprint" that makes hashes visually recognizable.
+
+// 16 hand-tuned colors for hex digits 0-f, ensuring good contrast
+// on both dark and light backgrounds.
+const HEX_COLORS = {
+  "0": [255, 100, 100], // red
+  "1": [255, 160, 80],  // orange
+  "2": [255, 210, 70],  // gold
+  "3": [200, 230, 80],  // lime
+  "4": [100, 220, 100], // green
+  "5": [80, 210, 180],  // teal
+  "6": [80, 200, 230],  // sky
+  "7": [100, 160, 255], // blue
+  "8": [140, 130, 255], // indigo
+  "9": [180, 110, 255], // violet
+  a: [220, 100, 240],   // purple
+  b: [255, 100, 200],   // magenta
+  c: [255, 130, 150],   // rose
+  d: [200, 180, 140],   // tan
+  e: [160, 210, 200],   // sage
+  f: [220, 200, 255],   // lavender
+};
+
+// Returns a color-code string for MatrixChunky8/write: \r,g,b\char
+// e.g. "a1b" → "\220,100,240\a\255,160,80\1\255,100,200\b"
+function colorizeHash(hash) {
+  let out = "";
+  for (const ch of hash) {
+    const c = HEX_COLORS[ch.toLowerCase()];
+    if (c) {
+      out += `\\${c[0]},${c[1]},${c[2]}\\${ch}`;
+    } else {
+      out += ch;
+    }
+  }
+  return out;
+}
+
+// Returns the RGB array for a single hex digit.
+function hashCharColor(ch) {
+  return HEX_COLORS[ch.toLowerCase()] || [200, 200, 200];
+}
+
+export { colorizeHash, hashCharColor, HEX_COLORS };
-- 
2.51.2