class SassC::Script::Value::Color

def to_s

`rgb(…)`, `rgba(…)`, `hsl(…)`, or `hsla(…)`.
Returns a CSS color declaration in the form 
def to_s
  if rgba? && @alpha == 1.0
    return "rgb(#{@red}, #{@green}, #{@blue})"
  elsif rgba?
    return "rgba(#{@red}, #{@green}, #{@blue}, #{alpha_string})"
  elsif hsla? && @alpha == 1.0
    return "hsl(#{@hue}, #{@saturation}%, #{@lightness}%)"
  else # hsla?
    return "hsla(#{@hue}, #{@saturation}%, #{@lightness}%, #{alpha_string})"
  end
end