Function rgbTo6hex

packages/backend/src/common/color.ts:5–12

(color: RGB | RGBA)

// ---- Color Format Conversion ----
export const rgbTo6hex = (color: RGB | RGBA): string => {
  const hex =
    ((color.r * 255) | (1 << 8)).toString(16).slice(1) +
    ((color.g * 255) | (1 << 8)).toString(16).slice(1) +
    ((color.b * 255) | (1 << 8)).toString(16).slice(1);

  return hex;
};

export const rgbTo8hex = (color: RGB, alpha: number): string => {
  // when color is RGBA, alpha is set automatically