Crossword Genius

Some pallid yellow colour? (3)

Ross

I believe the answer is:

dye

'colour?' is the definition.
(I know that dye is a more specific form of the action colour)

'some pallid yellow' is the wordplay.
'some' indicates a hidden word (some of the parts of the word are used).
'DYE' is hidden within 'pallid yellow'.

(Other definitions for dye that I've seen before include "Soluble substance for staining or colouring" , "Pigment" , "Colour (fabrics)" , "Staining material" , "Colouring matter" .)

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