Colourful figures in ancient Rome (5)

I believe the answer is:

vivid

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'colourful' is the definition.
(similar in meaning)

I can't explain the rest of the clue.

(Other definitions for vivid that I've seen before include "Brilliant" , "Strong and bright, colour perhaps" , "Lifelike, striking" , "Brightly coloured" , "Intense" .)

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

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