Well, we're getting into the human perception of color and contrast so of course there's no guarantees neither written nor implied.

See this LINK which covers this and other topics pretty well.
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975/7075/SMS-1
Aperion Verus Grand Towers & Bookshelves, Verus Forte Center, Infinity Surrounds, Ultra-X12
Oppo BDP-203, XBOX360, Xbox One
LG 65" OLED
RR2150 w/Klipsch SCR-2