This code can take gray scale and color image as an input and perform conversion between different color models such as RGB color model, CMY color model, CMYK color model, HSI Color model, YCbCr color model and YUV color model and vice versa.-This code can take gray scale and color image as an input and perform conversion between different color models such as RGB color model,　CMY color model, CMYK color model, HSI Color model, YCbCr color model and YUV color model and vice versa.