yiqBrightnessDiff method

int yiqBrightnessDiff(
  1. RgbColour rgb1
)

Calculate difference in brightness of two colors. Helper method for goog.color.highContrast() @param {goog.color.Rgb} rgb1 Colour represented by a rgb array. @param {goog.color.Rgb} rgb2 Colour represented by a rgb array. @return {number} Brightness difference. @private

Implementation

int yiqBrightnessDiff(RgbColour rgb1)
{
  return (rgb1.yiqBrightness() - yiqBrightness()).abs();
}