docs: static boolean isColorDark(@ColorInt int color) {
          // Forumla comes from W3C standards and conventional theory
          // about how to calculate the "brightness" of a color, often
          // thought of as how far along the spectrum from white to black the
          // grayscale version would be.
          // See https://www.w3.org/TR/AERT#color-contrast and
          // http://paulbourke.net/texture_colour/colourspace/ for further reading.
          double luminescence = 0.299 * Color.red(color) + 0.587 * Color.green(color) + 0.114 *
                  Color.blue(color);
  
          // Because the colors are all hex integers.
          double luminescencePercentage = luminescence / 255;
          return luminescencePercentage <= 0.5;
      }