Releases colour, like a peach? (9)

I believe the answer is:

freestone

'like a peach?' is the definition.
(freestone is a type of fruit)

'releases colour' is the wordplay.
'releases' becomes 'frees' ('free' can be a synonym of 'release').
'colour' becomes 'tone' (tone can mean a colour or shade).
'frees'+'tone'='FREESTONE'

I've seen this clue in The Guardian.

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