Shady type opens 14 across (6)

I believe the answer is:

colour

I'm a little stuck... Click here to teach me more about this clue!

'shady type' is the definition.
The answer and definition can be both groups as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for colour that I've seen before include "Blue or green, say" , "See 10" , "Distort; blush; hue" , "Pigment, paint or dye" , "Go red" .)

I've seen this clue in the Irish Times and the Irish Times (Crosaire).

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