violently red

wet-nail-polish-red

the dusky red of fire through much smoke

an odd sort of red, as of old blood

autumnal orange

rust-colored

urine-yellow

deep autumnal yellow

mint-green

indecisive green

the watery green of extreme ocean depths

deep deadwater grey-green

milky blue

sky-blue

apothecary blue

obscene pink

mature eggplant-skin

furious purple

linen-pale

the color of sand mixed with ash

the slightly sad color of early winter p.m.

clean-sheet-white

anachronistic white

birch-colored

vampire-colored

black as ink

glossy black

eyeliner-colored

pubic-black

the inkiest black

All these colors are taken from THE INKIEST BLACK, a book by BARBARA BALFOUR (chapter QUALIFIED COLOURS - pp. 65-109 - whose content "derived from the subtly distinguished colors mentioned by [David Foster] Wallace [in Infinite Jest]"). 

Tools for practice: