Information about #66AC80 color

#66AC80 color image

Basic facts about this digital color

In the Register's classification, #66AC80 belongs to the Spring Green Color Family, featuring Mild Saturation and Light brightness. The mix behind it: rgb(102, 172, 128) — 40% red, 67.5% green, 50.2% blue; the print equivalent is CMYK 27 / 0 / 17 / 33. New to color codes? See our guide to RGB color codes.

#66AC80 is a softly balanced spring green that feels open and friendly. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a hair away from Tea (#65AB7C). Its next-closest registered neighbors are Shiny Shamrock (#5FA778) and Oxley (#6D9A79).

In RGB terms — rgb(102, 172, 128) — the green channel does the heavy lifting here. If you plan to put text on a #66AC80 background, choose black — the contrast ratio is 7.8:1 (passing WCAG AAA), while white manages only 2.7:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#66AC80 color variations

View this color variations of tints, shades, tones and hues.

#66AC80 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.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

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.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #66AC80

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Tea color link
Tea

#65AB7C

Oxley color link
Oxley

#6D9A79

Dusty Green color link
Dusty Green

#76A973

Fern color link
Fern

#71BC78

Grey Teal color link
Grey Teal

#5E9B8A

Dull Teal color link
Dull Teal

#5F9E8F

Vintage Mint color link
Vintage Mint

#69B096

Greyish Teal color link
Greyish Teal

#719F91

Conversions between color systems and etc.

  • HEX#66AC80
  • RGB102, 172, 128
  • CMYK27, 0, 17, 33
  • CSSrgb(102, 172, 128)
  • HSL142°, 30%, 54%
  • HSL Precise142.286°, 29.661%, 53.725%
  • HSV142°, 41%, 67%
  • HSB142°, 41%, 67%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.675
  • Normalized B (0.0–1.0)0.502
  • GLSLvec3(0.400, 0.675, 0.502)
  • GLSL with alphavec4(0.400, 0.675, 0.502, 1.000)
  • HLSL / Metalfloat3(0.400, 0.675, 0.502)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB67.5%
  • Percentage of Blue in RGB50.2%
  • Color FamilySpring Green
  • Saturation FamilyMild Saturation
  • Lightness FamilyLight
  • HEX ID66AC80
  • DECIMAL ID6728832
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01