No right to praise new colour (5)

I believe the answer is:

sepia

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'colour' is the definition.
(sepia is a kind of colour)

I cannot understand how the rest of the clue works.

(Other definitions for sepia that I've seen before include "A greyish brown" , "Brown pigment produced from cuttlefish ink" , "Brown colour of old photo" , "Denizen of deep" , "cuttle" .)

I've seen this clue in The Globe and Mail.

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