Information about #66CCAA color

#66CCAA color image

Basic facts about this digital color

The digital color #66CCAA is classified in the Register under the Spring Green Color Family, with Moderate Saturation and Very Light brightness. In numbers: rgb(102, 204, 170) (40% red, 80% green, 66.7% blue), or CMYK 40 / 0 / 13 / 20 for print. Curious how these numbers work? Read our RGB color codes guide.

#66CCAA is a confidently colored minty spring green that floats near the light end of the scale. It is a natural fit for clean interfaces where content needs room to breathe. In The Official Register of Color Names it is almost identical to Medium Aqua Marine (#66CDAA). Nearby in the Register you will also find Medium Aquamarine (#66DDAA) and Seafoam Blue (#78D1B6).

The recipe behind #66CCAA is rgb(102, 204, 170), with green as the dominant ingredient. If you plan to put text on a #66CCAA background, choose black — the contrast ratio is 10.8:1 (passing WCAG AAA), while white manages only 1.9:1. #66CCAA has no official name yet. If this shade means something to you, you can be the one to name it.

#66CCAA color variations

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

#66CCAA 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 #66CCAA

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

Conversions between color systems and etc.

  • HEX#66CCAA
  • RGB102, 204, 170
  • CMYK40, 0, 13, 20
  • CSSrgb(102, 204, 170)
  • HSL160°, 50%, 60%
  • HSL Precise160°, 50%, 60%
  • HSV160°, 50%, 80%
  • HSB160°, 50%, 80%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.800
  • Normalized B (0.0–1.0)0.667
  • GLSLvec3(0.400, 0.800, 0.667)
  • GLSL with alphavec4(0.400, 0.800, 0.667, 1.000)
  • HLSL / Metalfloat3(0.400, 0.800, 0.667)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB80%
  • Percentage of Blue in RGB66.7%
  • Color FamilySpring Green
  • Saturation FamilyModerate Saturation
  • Lightness FamilyVery Light
  • HEX ID66CCAA
  • DECIMAL ID6737066
  • Name LengthThis color has no name
  • Seen by search & AI crawlers2 times
  • Counting from2025-01-01