Post B064REjVNTRmlLL172 by esvrld@normal.style
 (DIR) More posts by esvrld@normal.style
 (DIR) Post #B05vxK8DwRi9BZ7q9g by futurebird@sauropods.win
       2025-11-08T14:32:01Z
       
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       If there are complementary colors are there also supplementary colors?Because complementary colors mix to a neutral does that mean that shades of gray are at right angles?
       
 (DIR) Post #B05vxLR35wMbEEwO8W by llewelly@sauropods.win
       2025-11-08T14:48:41Z
       
       0 likes, 1 repeats
       
       @futurebird then there are explementary colors, which some swear by, and others view as too colorful for polite company.
       
 (DIR) Post #B064R9wRBxoxu0Lm4m by esvrld@normal.style
       2025-11-08T14:34:39Z
       
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       @futurebird you could visualise a hsl colour space as a sphere with hue mapping to position along the equator, saturation to distance from the centre, and lightness to the axis along the poles
       
 (DIR) Post #B064REjVNTRmlLL172 by esvrld@normal.style
       2025-11-08T14:39:56Z
       
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       @futurebird with the traditional ryb colour space in painting you can only reason about it to an extent since in practice the more you mix any pigment the more the result will look like a kind of brown
       
 (DIR) Post #B06Fymj56zQ9F6L6ie by Moss@beige.party
       2025-11-08T16:02:13Z
       
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       @futurebird I’ve certainly seen denigratory colors!As to grays, they bust us out of the color wheel altogether—think of editing a pic to -100 saturation, removing color. Mixing complementary colors in light or in paint gets different results, and either way it’s usually some weird brownish tone. So maybe there could be a 3 dimensional color sphere where an unpleasant taupe is at a right angle to a primary color.
       
 (DIR) Post #B06HAWvDnTjZejBMOW by dlakelan@mastodon.sdf.org
       2025-11-08T14:49:28Z
       
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       @futurebirdExcept for a few genetically unusual people, mostly women I think, the eye has 3 color receptors and color perception is 3D. Hence we use Red Green and Blue LEDs together to make color tunable lights (or in flat screens etc).Theres alternative parameterizations of the 3D color space. One important commonly used  one is LUV https://en.wikipedia.org/wiki/CIELUVAnother is LAB https://en.wikipedia.org/wiki/CIELAB_color_spaceIn these spaces L is brightness, so shades of gray correspond to (L,0,0), orthogonal to colors