diff --git a/cmd/syntax/chroma.go b/cmd/syntax/chroma.go
new file mode 100644
index 00000000..619865fc
--- /dev/null
+++ b/cmd/syntax/chroma.go
@@ -0,0 +1,41 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/alecthomas/chroma/v2/formatters/html"
+	"github.com/alecthomas/chroma/v2/styles"
+)
+
+var (
+	lightTheme = "catppuccin-latte"
+	darkTheme  = "catppuccin-macchiato"
+)
+
+func main() {
+	outFile := flag.String("out", "", "css output file path")
+	flag.Parse()
+
+	if *outFile == "" {
+		fmt.Println("error: output file path is required")
+		flag.Usage()
+		os.Exit(1)
+	}
+
+	file, err := os.Create(*outFile)
+	if err != nil {
+		fmt.Printf("error creating file: %v\n", err)
+		os.Exit(1)
+	}
+	defer file.Close()
+
+	formatter := html.New(html.WithClasses(true))
+
+	formatter.WriteCSS(file, styles.Get(lightTheme))
+
+	file.WriteString("\n@media (prefers-color-scheme: dark) {\n")
+	formatter.WriteCSS(file, styles.Get(darkTheme))
+	file.WriteString("}\n")
+}