Yamaha rx-v1900 Owner's Manual page 113

Glossary
■ "x.v.Color"
A color space standard supported by HDMI version 1.3. It
is a more extensive color space than sRGB, and allows the
expression of colors that could not be expressed before.
While remaining compatible with the color gamut of
sRGB standards, "x.v.Color" expands the color space and
can thus produce more vivid, natural images. It is
particularly effective for still pictures and computer
graphics.
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