淡 faint

ONYOMI: TAN

as in,"His TAN faded to pale after so many weeks indoors. "

The water pretty much doused the flame, leaving only a faint, pale flickering.

KUNYOMI:

あわ*い

faint color. (薄い also means faint, but 淡い carries the connotation of, it's faint because it's weak or sickly)