adobe rgb color space adobe wide gamut rgb color space analog signal analog video analogue electronics blue cmyk color model color color model color space coloroid component video composite video digital video electronics green hexachrome international commission on illumination lms color space list of color spaces and their uses munsell color system ntsc natural color system osa-ucs pal pantone prophoto rgb color space rf connector rgb color model rgb color space ryb color model red secam srgb scrgb color space video video card xvycc ycbcr ydbdr yiq yuv