Became less colorful (5)
I believe the answer is:
faded
(Other definitions for faded that I've seen before include "Bleached or deteriorated" , "Washed-out, dimmed" , "Washed out" , "Lost freshness or colour" , "Lost youth" .)
I believe the answer is:
faded
(Other definitions for faded that I've seen before include "Bleached or deteriorated" , "Washed-out, dimmed" , "Washed out" , "Lost freshness or colour" , "Lost youth" .)