Complex sentence: Deep Color refers to the use of 30-bit, 36-bit, and 48-bit color depth and HDMI 1.3 optionally supports Deep Color for use with xvYCC, sRGB, or YCbCr color spaces.
Split into simpler sentences: Deep Color refers to the use of 30-bit, 36-bit, and 48-bit color depth. Also, HDMI 1.3 optionally supports Deep Color for use with xvYCC, sRGB, or YCbCr color spaces.