Information about #666640 color
Basic facts about this digital color
#666640 is a calm, restrained golden yellow that holds a balanced mid-tone. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to Woodland (#626746). Its next-closest registered neighbors are Hemlock (#69684B) and Limed Gum (#6B5B3D).
The recipe behind #666640 is rgb(102, 102, 64), with red as the dominant ingredient. If you plan to put text on a #666640 background, choose white — the contrast ratio is 5.9:1 (passing WCAG AA), while black manages only 3.5:1. On paper it relies strongly on black ink (K:60), so proof dark layouts before a large print run. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.
#666640 color variations
View this color variations of tints, shades, tones and hues.
#666640 color tints
Tints look brighter, pastel, and less intense.
#666640 color shades
Shades look darker, richer, and more solid.
#666640 color tones
Tones looks more sophisticated and complex than base colors.
#666640 color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#666640 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 #666640 color
View adjacent and very similar colors.
Nearest named colors to #666640
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#626746
#69684B
#6B5B3D
#716338
#665E4C
#5A6E41
#725F3C
#6F634B
#615A47
#6C634E
#675744
#675C4C
#666640 color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#666640
- RGB102, 102, 64
- CMYK0, 0, 15, 60
- CSSrgb(102, 102, 64)
- HSL60°, 23%, 33%
- HSL Precise60°, 22.892%, 32.549%
- HSV60°, 37%, 40%
- HSB60°, 37%, 40%
- Normalized R (0.0–1.0)0.400
- Normalized G (0.0–1.0)0.400
- Normalized B (0.0–1.0)0.251
- GLSLvec3(0.400, 0.400, 0.251)
- GLSL with alphavec4(0.400, 0.400, 0.251, 1.000)
- HLSL / Metalfloat3(0.400, 0.400, 0.251)
- Percentage of Red in RGB40%
- Percentage of Green in RGB40%
- Percentage of Blue in RGB25.1%
- Color FamilyYellow
- Saturation FamilyLow Saturation
- Lightness FamilyNeutral
- HEX ID666640
- DECIMAL ID6710848
- Name LengthThis color has no name
- Seen by search & AI crawlers15 times
- Counting from2025-01-01
