Information about #66575B color
Basic facts about this digital color
#66575B is a muted, almost neutral grey that sits comfortably between light and dark. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to Minx (#68535B). Nearby in the Register you will also find Zambezi (#6B5A5A) and Carbon Gray (#625D5D).
In RGB terms — rgb(102, 87, 91) — the red channel does the heavy lifting here. If you plan to put text on a #66575B background, choose white — the contrast ratio is 6.8:1 (passing WCAG AA), while black manages only 3.1:1. On paper it relies strongly on black ink (K:60), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #66575B is still unnamed — it can be claimed and named in The Official Register of Color Names.
#66575B color variations
View this color variations of tints, shades, tones and hues.
#66575B color tints
Tints look brighter, pastel, and less intense.
#66575B color shades
Shades look darker, richer, and more solid.
#66575B color tones
Tones looks more sophisticated and complex than base colors.
#66575B color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#66575B color harmonies
Color harmonies are pleasing color schemes created according to their position on a color wheel.
Complementary
Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.
Split complementary
Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.
Analogous
Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.
Triadic
Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.
Tetradic
Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.
Square
Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.
Alternatives to #66575B color
View adjacent and very similar colors.
Nearest named colors to #66575B
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#68535B
#6B5A5A
#625D5D
#645452
#635A52
#685D63
#665C52
#5C5858
#625665
#5C5B59
#6B5B52
#666156
#66575B color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#66575B
- RGB102, 87, 91
- CMYK0, 6, 4, 60
- CSSrgb(102, 87, 91)
- HSL344°, 8%, 37%
- HSL Precise344°, 7.937%, 37.059%
- HSV344°, 15%, 40%
- HSB344°, 15%, 40%
- Normalized R (0.0–1.0)0.400
- Normalized G (0.0–1.0)0.341
- Normalized B (0.0–1.0)0.357
- GLSLvec3(0.400, 0.341, 0.357)
- GLSL with alphavec4(0.400, 0.341, 0.357, 1.000)
- HLSL / Metalfloat3(0.400, 0.341, 0.357)
- Percentage of Red in RGB40%
- Percentage of Green in RGB34.1%
- Percentage of Blue in RGB35.7%
- Color FamilyRose
- Saturation FamilyDesaturated
- Lightness FamilyNeutral
- HEX ID66575B
- DECIMAL ID6707035
- Name LengthThis color has no name
- Seen by search & AI crawlers15 times
- Counting from2025-01-01
