Information about #66C9BF color

#66C9BF color image

Basic facts about this digital color

#66C9BF falls into the Cyan Color Family — Moderate Saturation, Light brightness. The mix behind it: rgb(102, 201, 191) — 40% red, 78.8% green, 74.9% blue; the print equivalent is CMYK 39 / 0 / 4 / 21. New to color codes? See our guide to RGB color codes.

A clearly saturated water-like cyan, #66C9BF carries an easy, daylight feel. Designers typically reach for tones like this for balanced palettes where no single element should shout. In The Official Register of Color Names it is almost identical to Bayside (#5FC9BF). Slightly further away sit Downy (#6FD2BE) and Fresh Soft Blue (#6AB9BB).

The recipe behind #66C9BF is rgb(102, 201, 191), with green as the dominant ingredient. On this background, black text reaches a 10.7:1 contrast ratio (passing WCAG AAA); white stays at 2.0:1. Out of 16,777,216 possible colors, #66C9BF is still unnamed — it can be claimed and named in The Official Register of Color Names.

#66C9BF color variations

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

#66C9BF 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 #66C9BF

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#66C9BF
  • RGB102, 201, 191
  • CMYK39, 0, 4, 21
  • CSSrgb(102, 201, 191)
  • HSL174°, 48%, 59%
  • HSL Precise173.939°, 47.826%, 59.412%
  • HSV174°, 49%, 79%
  • HSB174°, 49%, 79%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.788
  • Normalized B (0.0–1.0)0.749
  • GLSLvec3(0.400, 0.788, 0.749)
  • GLSL with alphavec4(0.400, 0.788, 0.749, 1.000)
  • HLSL / Metalfloat3(0.400, 0.788, 0.749)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB78.8%
  • Percentage of Blue in RGB74.9%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID66C9BF
  • DECIMAL ID6736319
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01