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In theatre lighting, a bastard color is a color, typically in a color gel, wherein the predominant color is blended with small amounts of complementary colors; for example, a "bastard orange" gel would produce predominantly orange light with undertones of blue. Bastard colors appear more natural than pure colors and are used to replicate natural light.
- "Rosco E-Colour #004: Medium Bastard Amber". Retrieved November 9, 2015.