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Black Opposite

Red Opposite

10 Opposites of Red

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The opposite of red, also known as the complement of red, is the color that has the highest contrast with red. This is traditionally listed as green in color wheels based on a 1892 model known as opponent process theory that suggests that humans perceive color as red versus green, blue versus yellow and black versus white. This theory is disputed in several ways and probably isn't completely accurate (see notes below). As such, the complements of red colors are listed below according to optics and the RGB color model.
Red
#ff0000
Cyan
#00ffff
Primary Red
#ed1b24
Turquoise
#12e4db
Medium Red
#c40234
Bright Mint
#3bfdcb
Madder
#a50021
Seafoam Green
#5affde
Brink Pink
#fb607f
Viridian
#049f80
Crimson
#dc143c
Dark Aquamarine
#23ebc3
Rosewood
#65000b
Light Cyan
#9afff4
Carmine
#960018
Soft Cyan
#69ffe7
Imperial Red
#ed2939
Light Teal
#12d6c6
Dark Salmon
#ff7f7f
Teal
#008080

Notes

Modern research (see reference below) suggests that the human eye uses red and cyan as opposites not red and green. This makes sense as red and cyan are complements in optical theory. As such, cyan and the complements above are possibly more accurate than traditional color wheels.
In theory, if you mix complementary colors, the result is a shade of grey.

Color Palettes

This is the complete list of articles we have written about color palettes.
Almond
Auburn
Baby Colors
Black
Blue
Blue-Green
Bone
Bottle Green
Bright Yellow
Brown
Canary
Candy Pink
Candy Red
Carmine Red
Celadon
Cold Colors
Copper
Coral
Cotton Candy
Dark Purple
Dark Red
Dirt Brown
Eggplant
Fern Green
Green
Grey
Iron
Jungle Green
Lemon
Light Purple
Light Yellow
Matte Colors
Medium Yellow
Metal
Middle Gray
Myrtle Green
Near Pink
Neon Yellow
Ocean
Off Pink
Off-Black
Off-Blue
Olive Green
Orange
Pastel Blue
Pastel Green
Pastel Pink
Pastel Yellow
Peach
Pearl
Persian Blue
Persian Red
Plum
Popular Colors
Purple
Red
Robin's Egg
Rose
Sea
Sienna
Sunflower
Tan
Tea Green
Tones
True Blue
True Gray
True Green
True Red
Tyrian Purple
Verdigris
Visible Spectrum
White
Wisteria
Yellow
More ...
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References

Pridmore, Ralph W.. "Single cell spectrally opposed responses: opponent colours or complementary colours?". Journal of Optics. October 2012.

Opposite Colors

A list of useful complementary colors as a palette.

Green Opposite

The true complements of green colors.

Blue Opposite

The opposites of blue colors.

Brown Opposite

The opposites of brown color.

Black Opposite

The true opposites of black color.

Complementary Colors

Colors that cancel each other out.

Complementary

A few definitions of complementary.
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