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Color spaces: RGB





                                           Default color space




                                                                         0,1,0




                                                                                                                                                    R

                                                                                                                                                    (G=0,B=0)









                                   1,0,0
                                                                                                                                                    G

                                                                                                                                                    (R=0,B=0)

                                                                             0,0,1



                                  RGB cube


                                         • Easy for devices                                                                                         B


                                         • But not perceptual                                                                                       (R=0,G=0)

                                         • Where do the grays live?


                                         • Where is hue and saturation?
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