Ruddy foxy? (3)

I believe the answer is:

red

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This could be a double definition.

'ruddy' is the first definition.
(synonyms)

'foxy?' is the second definition.
Both the definition and answer are adjectives. Perhaps you can see a link between them that I can't see?

Can you help me to learn more?

(Other definitions for red that I've seen before include "Glowing" , "Colour of a cardinal's hat" , "Carmine" , "14 -- breed of 4" , "- - poker: Kniphofia" .)

I've seen this clue in the Evening Standard.

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