Information about #66E591 color
Basic facts about this digital color
A energetic, saturated minty spring green, #66E591 appears airy and pastel-like. Designers typically reach for tones like this for clean interfaces where content needs room to breathe. In The Official Register of Color Names it is very close to Very Light Malachite Green (#64E986). Its next-closest registered neighbors are Dragon Green (#6AFB92) and Brilliant Sea Green (#51E789).
The recipe behind #66E591 is rgb(102, 229, 145), with green as the dominant ingredient. If you plan to put text on a #66E591 background, choose black — the contrast ratio is 13.2:1 (passing WCAG AAA), while white manages only 1.6:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.
#66E591 color variations
View this color variations of tints, shades, tones and hues.
#66E591 color tints
Tints look brighter, pastel, and less intense.
#66E591 color shades
Shades look darker, richer, and more solid.
#66E591 color tones
Tones looks more sophisticated and complex than base colors.
#66E591 color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#66E591 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 #66E591 color
View adjacent and very similar colors.
Nearest named colors to #66E591
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#64E986
#6AFB92
#51E789
#51E79C
#66DDAA
#65FF8B
#65FF9F
#77DD77
#56FCA2
#51E777
#66CDAA
#65FF78
#66E591 color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#66E591
- RGB102, 229, 145
- CMYK50, 0, 33, 10
- CSSrgb(102, 229, 145)
- HSL140°, 71%, 65%
- HSL Precise140.315°, 70.95%, 64.902%
- HSV140°, 55%, 90%
- HSB140°, 55%, 90%
- Normalized R (0.0–1.0)0.400
- Normalized G (0.0–1.0)0.898
- Normalized B (0.0–1.0)0.569
- GLSLvec3(0.400, 0.898, 0.569)
- GLSL with alphavec4(0.400, 0.898, 0.569, 1.000)
- HLSL / Metalfloat3(0.400, 0.898, 0.569)
- Percentage of Red in RGB40%
- Percentage of Green in RGB89.8%
- Percentage of Blue in RGB56.9%
- Color FamilySpring Green
- Saturation FamilyHigh Saturation
- Lightness FamilyVery Light
- HEX ID66E591
- DECIMAL ID6743441
- Name LengthThis color has no name
- Seen by search & AI crawlers7 times
- Counting from2025-01-01
