require "color/css"

module Smurf
  module StyleguideHelper

    # returns well readable, high-contrast foreground color ("black" or "white") based on passed background_color
    def foreground_color(background_color)
      if color = Smurf::ColorVariableParser.parse_color(background_color)
        return "black"  if color.brightness > 0.5
      end
      return "white"
    end
  end
end