Method: ColorMath::RGB#hue

Defined in:
lib/colormath/color/rgb.rb

#hue ⇒ Object

The hue component of the colour in HSL representation where 0 <= h < 360



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# File 'lib/colormath/color/rgb.rb', line 25

def hue
  return 0 if saturation.zero?
  case max
  when red
    (60.0 * ((green - blue) / (max - min))) % 360.0
  when green
    60.0 * ((blue - red) / (max - min)) + 120.0
  when blue
    60.0 * ((red - green) / (max - min)) + 240.0
  end
end