Wiktionary
overcolour
vb. (context transitive English) To exaggerate.
Usage examples of "overcolour".
Being also skeptical, his skepticism sometimes overcolours his imagination.
But his justified war with the Blimps has perhaps overcoloured his judgement.
Nevertheless, she painted an arresting, if overcoloured and prejudiced, picture of the life that had gone on about her during the past ten years.