Huge without third colour (3)

I believe the answer is:

hue

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'colour' is the definition.
(a hue is a colour or complexion)

I don't understand the remainder of the clue.

(Other definitions for hue that I've seen before include "Shade, aspect; Vietnam port" , "appearance" , "complexion" , "Tone, shade" , "Tinge" .)

I've seen this clue in The Mirror.

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