The most common and most likely answer to this crossword clue is the 4 letter word DYER
D
Y
E
R
More clues leading to the result DYER
- One changing colour, and sounding dreadful
- What sounds like terrible person working with colours
- Terrible-sounding person changing colour of cloth?
- One changing colour extremely dirty I hesitate to say
- One using colours of very poor quality, reportedly
- Textile worker set up in Surrey docks
- I’m turning red, including yarns, primarily?
- Dreadful-sounding colourist
- Could modify the colour, ultimately? I could
- Socialist revolutionary seizes Yankee, one who could change silver into gold?
Buddy explains!

The straight part
We know that "person changing colour of cloth" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case person changing colour of cloth = dyer.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DYER mean?
DYER noun- One who dyes, especially one who dyes cloth etc. as an occupation.