Graphically clearly, Charlie turning into Romeo (7)

I believe the answer is:

luridly

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'graphically' is the definition.
Both the answer and definition are adverbs. Perhaps there's an association between them I don't understand?

I can't explain the remainder of the clue.

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(Other definitions for luridly that I've seen before include "Shockingly" , "In melodramatic fashion" , "In macabre fashion" , "In a very sensational manner" .)

I've seen this clue in The Everyman puzzle in The Observer.

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