<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/strict.dtd">
rgb_image = imread('peppers.png');
hsv_image = rgb2hsv(rgb_image);
ycbcr_image = rgb2ycbcr(rgb_image);
gray_image = rgb2gray(rgb_image);
cform = makecform('srgb2lab');
Lab_image = applycform(rgb_image,cform);
figure,imshow(Lab_image);
subplot(3,2,1),imshow(rgb_image)
subplot(3,2,2),imshow(hsv_image)
subplot(3,2,3),imshow(ycbcr_image)
subplot(3,2,4),imshow(Lab_image)
subplot(3,2,5),imshow(gray_image)