col·or·fast 
(kŭlər-făst′)
(kŭlər-făst′)adj.
Having color that will not run or fade with washing or wear: a colorfast fabric.
color·fast′ness n.
- work force
- work for hire
- work function
- work hardening
- workhorse
- workhouse
- work in
- working
- working capital
- working class
- working-class
- working control
- working day
- working dog
- working fluid
- working girl
- workingman
- working memory
- working papers
- working substance
- workingwoman
- work in progress
- work into
- work like a charm
- workload