Cold-hearted Orb That Rules The Night
Removes The Colors From Our Sight
Red Is Gray, And Yellow White
But We Decide Which Is Right
And Which Is A Quantization Error.
Cold-hearted orb that rules the night
Removes the colors from our sight
Red is gray, and yellow white
But we decide which is right
And which is a quantization error.
-- Jef Poskanzer, from the doc to his oh-so-cool program
-- that converts color bitmaps to greyscale ones.