def random_color(hue: rand(360), saturation: rand, brightness: rand, kelvin: DEFAULT_KELVIN)
      Color.new(hue, saturation, brightness, kelvin)
    end
def random_color(hue: rand(360), saturation: rand, brightness: rand, kelvin: DEFAULT_KELVIN)
      Color.new(hue, saturation, brightness, kelvin)
    end
Helper to create a random {Color}