module Color

def ==(other)

equivalent if all component values are within +TOLERANCE+ of each other.
All values are compared as floating-point values, so two colors will be reported

approximate than non-converted comparisons.
type as the current color. Such converted color comparisons will always be more
Compares the `other` color to this one. The `other` color will be coerced to the same
# 
def ==(other)
  other.is_a?(Color) && to_internal.zip(coerce(other).to_internal).all? { near?(_1, _2) }
end