I have created pseudo-color images from principal component scores derived from multispectral data.

I am using BiOps package stmt such as,

imgGetRGBFromBands(PC_1,PC_2,PC_3)  where PC_x are grey scale images.

I would like to display these 3 pc scores as rgb images where all three r g and b layers are replaced by other colors.
such as orange , cyan, green.

I have experimented with colorRamps, RColorBrewer, rimage. Is there a way to replace rgb with other colors?

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