Information about #66B178 color

#66B178 color image

Basic facts about this digital color

In the Register's classification, #66B178 belongs to the Green Color Family, featuring Mild Saturation and Light brightness. In numbers: rgb(102, 177, 120) (40% red, 69.4% green, 47.1% blue), or CMYK 42 / 0 / 32 / 31 for print. New to color codes? See our guide to RGB color codes.

#66B178 presents itself as a softly balanced green — one that sits on the lighter side of the spectrum. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to Tea (#65AB7C). Nearby in the Register you will also find Shiny Shamrock (#5FA778) and Fern (#71BC78).

Technically, the mix leans on its green channel (rgb(102, 177, 120)), which gives #66B178 its character. If you plan to put text on a #66B178 background, choose black — the contrast ratio is 8.1:1 (passing WCAG AAA), while white manages only 2.6:1. #66B178 has no official name yet. If this shade means something to you, you can be the one to name it.

#66B178 color variations

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

#66B178 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 #66B178

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

Fern color link
Fern

#71BC78

Dusty Green color link
Dusty Green

#76A973

Boring Green color link
Boring Green

#63B365

Soft Green color link
Soft Green

#6FC276

Faded Green color link
Faded Green

#7BB274

Oxley color link
Oxley

#6D9A79

Salted green color link
Salted green

#78A178

Algae color link
Algae

#54AC68

Conversions between color systems and etc.

  • HEX#66B178
  • RGB102, 177, 120
  • CMYK42, 0, 32, 31
  • CSSrgb(102, 177, 120)
  • HSL134°, 32%, 55%
  • HSL Precise134.4°, 32.468%, 54.706%
  • HSV134°, 42%, 69%
  • HSB134°, 42%, 69%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.694
  • Normalized B (0.0–1.0)0.471
  • GLSLvec3(0.400, 0.694, 0.471)
  • GLSL with alphavec4(0.400, 0.694, 0.471, 1.000)
  • HLSL / Metalfloat3(0.400, 0.694, 0.471)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB69.4%
  • Percentage of Blue in RGB47.1%
  • Color FamilyGreen
  • Saturation FamilyMild Saturation
  • Lightness FamilyLight
  • HEX ID66B178
  • DECIMAL ID6730104
  • Name LengthThis color has no name
  • Seen by search & AI crawlers24 times
  • Counting from2025-01-01