# File lib/color/hsl.rb, line 37
  def ==(other)
    other = other.to_hsl
    other.kind_of?(Color::HSL) and
    ((@h - other.h).abs <= Color::COLOR_TOLERANCE) and
    ((@s - other.s).abs <= Color::COLOR_TOLERANCE) and
    ((@l - other.l).abs <= Color::COLOR_TOLERANCE)
  end