Both Uses

tinged
in
The Idiot
(Auto-generated)

The prince had grown animated as he spoke, and a tinge of colour suffused his pale face, though his way of talking was as quiet as ever.†
Chpt 1.2 *

tinge = a slight amount; or to contain a slight amount
His words seemed tinged with a kind of sarcastic mockery, yet he was extremely agitated, casting suspicious glances around him, growing confused, and constantly losing the thread of his ideas.†
Chpt 2.10

tinged = with a slight amount (often of color)

Definitions:

(1) (tinged)
with a slight amount

(If an amount of what is not clear from context, it is typically of color.)
(2) (meaning too rare to warrant focus)