Re: "White paper is cheap"
your eyes may switch to low light, low resolution receptors
As in "In the dark, all cats be gray" stylee?
 Which is, obviously, nonsense. White cats glow as they reflect what little light there is, torties are even better camoflauged than usual, gingers are in their usual place by the foodbowl and black cats are even more the negation of all good things than usual.