What is the meaning of tinge?

noun

• A slight but appreciable amount.
  • usage: "this dish could use a touch of garlic"
  • synonyms: touch, hint, mite, pinch, jot, speck, soupcon
• A pale or subdued color.
  • synonyms: undertone

verb

• Affect as in thought or feeling.
  • usage: "My personal feelings color my judgment in this case"; "The sadness tinged his life"
  • synonyms: color, colour, distort
• Color lightly.
  • usage: "her greying hair was tinged blond"; "the leaves were tinged red in November"
  • synonyms: tint, tinct, touch