// Generate N unique random HEX colors (#RRGGBB)
function generateRandomUniqueHexColors(count) {
// A Set automatically ensures uniqueness
const colors = new Set();
// Keep generating until we have the desired amount
while (colors.size < count) {
// Create 3 random bytes (R, G, B)
const bytes = new Uint8Array(3);
crypto.getRandomValues(bytes); // secure randomness
// Convert each byte to a 2-digit hex string and join them
const hex = `#${[...bytes]
.map(v => v.toString(16).padStart(2, "0"))
.join("")}`;
// Add to the Set (duplicates are ignored automatically)
colors.add(hex);
}
// Convert the Set back to a normal array
return [...colors];
}
// Example usage
const colors = generateRandomUniqueHexColors(12);
console.log("Generated HEX colors:");
colors.forEach(c => console.log(c));
/*
run:
Generated HEX colors:
#3a12ec
#fec8b4
#b88cfa
#1c080f
#4f4d12
#73217e
#45e139
#4288b1
#9cc21c
#06ee0b
#efdd1b
#652526
*/
