Conventionally, a display color gamut is represented by a triangular area formed by jointing the chromaticity points of the red, green, and blue (RGB) primary set in a chromaticity diagram (Fig.

709 (Rec. 709) 2). Figure 1 shows the chromaticity *1 coordinates of UHDTV and HDTV primary colors in the xy and u′v′ chromaticity diagrams. The wide-gamut system colorimetry of UHDTV can ...