Colourful suggestions (5)

I believe the answer is:

tints

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'colourful suggestions' is the definition.
Although both the answer and definition are plural nouns, I cannot understand how one could define the other.

This is all the clue.

Can you help me to learn more?

(Another definition for tints that I've seen is " Shades".)

I've seen this clue in the Evening Standard.

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