Enter a clue or pattern or both:
The Clue
Brown pigments (6 letter answer)
The Answer
UMBERS
Tags
Notes
The answer UMBERS is so rare that it appears less than once every 2500 puzzles.
Definition
UMBER as a noun:
1. an earth pigment
2. (chocolate, coffee, deep brown, umber, burnt umber) = a medium brown to dark-brown color