Function readableColor

src/color/readableColor.js:43–56

(
  color: string,
  returnIfLightColor?: string = defaultReturnIfLightColor,
  returnIfDarkColor?: string = defaultReturnIfDarkColor,
  strict?: boolean = true,
)

 * }
 */
export default function readableColor(
  color: string,
  returnIfLightColor?: string = defaultReturnIfLightColor,
  returnIfDarkColor?: string = defaultReturnIfDarkColor,
  strict?: boolean = true,
): string {
  const isColorLight = getLuminance(color) > 0.179
  const preferredReturnColor = isColorLight ? returnIfLightColor : returnIfDarkColor

  if (!strict || getContrast(color, preferredReturnColor) >= 4.5) {
    return preferredReturnColor
  }
  return isColorLight ? defaultReturnIfLightColor : defaultReturnIfDarkColor
}