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