Opencv color mapping with direct pixel access

Question

I have a gray scale image that I want to display in color by mapping the gray scale values with a color palette (like colormap in Matlab).

I managed to do it by usin

Answer 1

I'm posting this to close the question like asked in the comments of my question.

The answer was:

I found out my error... In fact it's RGB but that wasn't the problem, I had color values at 256 instead of 255... Really sorry... I guess asking the question helped me found the answer

Thank you