Function rgbaToHex

src/colorModels/hex.ts:43–47

(rgba: RgbaColor)

/** Converts RGBA object to Hex6 or (if it has alpha channel) Hex8 string */
export const rgbaToHex = (rgba: RgbaColor): string => {
  const { r, g, b, a } = roundRgba(rgba);
  const alphaHex = a < 1 ? format(round(a * 255)) : "";
  return "#" + format(r) + format(g) + format(b) + alphaHex;
};