Meanings of crude color in English

You must concede that I do not inflict on my friends my opinions about crude color.

Color-color-blobs and blotches of raw, crude color!

She was examining the face beside her, with its bright crude color, its bold eyes, and sulky mouth, slightly underhung.

Yet the effect was not that of crude color; it was, rather, that of color intensified deliberately to produce a contrast.

The store windows glittered with crude colors and careless peasants' clothes.

He lifted his wand and projected some crude colored sketches of the Brothers' battle.

I am only painting in crude colors!

Georges would criticise Aurora's clothes, and her Italian taste- aslightwant of feeling for modulation and a certain preference for crude colors.