Nouns

(n)touch, hint, tinge, mite, pinch, jot, speck, soupcona slight but appreciable amount“this dish could use a touch of garlic”
(n)undertone, tingea pale or subdued color

Verbs

(v)tinge, color, colour, distortaffect as in thought or feeling“My personal feelings color my judgment in this case”, “The sadness tinged his life”
(v)tint, tinct, tinge, touchcolor lightly“her greying hair was tinged blond”, “the leaves were tinged red in November”