A Treatise on Painting
by Leonardo da Vinci, translated by John Francis Rigaud
Of the Appearance of Colours
4011017A Treatise on Painting — Of the Appearance of ColoursJohn Francis RigaudLeonardo da Vinci

Chap. CCXXXVI.Of the Appearance of Colours.

The lighter a colour is in its nature, the more so it will appear when removed to some distance; but with dark colours it is quite the reverse.