false colors

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Related to false colors: pseudocoloring
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References in classic literature ?
Otherwise we shall be found sailing under false colors, and be inevitably cashiered at last by our own opinion, as well as that of mankind.
I saw, in the glass, my skin take a false fairness, my cheeks a false color, my eyes a false brightness--and I never shrank from it.
Her heart beat fast; a burning heat glowed in her as she thought of her false hair, her false color, her false dress, and saw the dear familiar face coming nearer and nearer.