Computer Vision, Image Processing, Computer Science, Colors, Engineering.
channel, the values are between yellow and blue. cmap_b = clr.LinearSegmentedColormap.from_list('custom blue', ['Yellow',"Gray",'Blue'], N=255) plt.imshow(b_GRAY, cmap=cmap_b) plt.show() The output images are shown below: L (left), a*(center), b*(right) YCrCb Colour Channel Y is the luminance