Maybe a pie's nice brown colour (5)

I believe the answer is:

sepia

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'brown colour' is the definition.
(I've seen this before)

'maybe a pie's' is the wordplay.
'maybe' is an anagram indicator.
'a'+'pies'='apies'
'apies' with letters rearranged gives 'SEPIA'.

'nice' acts as a link.
This may not be correct. It may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for sepia that I've seen before include "cuttle" , "Brownish tone associated with old photographs" , "Reddish-brown colour as in old photos" , "Colour from cuttlefish ink" , "Colourant" .)

I've seen this clue in the Evening Standard.

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