Information about #66DFF4 color

#66DFF4 color image

Basic facts about this digital color

In the Register's classification, #66DFF4 belongs to the Cyan Color Family, featuring Full Saturation and Very Light brightness. In numbers: rgb(102, 223, 244) (40% red, 87.5% green, 95.7% blue), or CMYK 56 / 8 / 0 / 4 for print. Curious how these numbers work? Read our RGB color codes guide.

#66DFF4 presents itself as a maximally vivid cyan — one that appears airy and pastel-like. It is a natural fit for minimalist layouts, soft backgrounds and pastel palettes. In The Official Register of Color Names it is just a few steps away from Light Brilliant Cerulean (#65D8FF). Its next-closest registered neighbors are Light Brilliant Arctic Blue (#65ECFF) and Palm Beach Sky (#7AE2F0).

In RGB terms — rgb(102, 223, 244) — the blue channel does the heavy lifting here. Accessibility-wise, black text works best on #66DFF4: 13.4:1 contrast (passing WCAG AAA) versus 1.6:1 for white. Out of 16,777,216 possible colors, #66DFF4 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#66DFF4 color variations

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

#66DFF4 color tints

Tints look brighter, pastel, and less intense.
#66DFF4

Color has no name
#84E5F6

Color has no name
#A3EBF8

Color has no name
#C1F2FA

Color has no name
#E0F8FC

Color has no name
White

#FFFFFF

#66DFF4 color shades

Shades look darker, richer, and more solid.
#66DFF4

Color has no name
#25D1EF

Color has no name
#0DA7C2

Color has no name
#096F81

Color has no name
#043740

Color has no name
Black

#000000

#66DFF4 color tones

Tones looks more sophisticated and complex than base colors.
#66DFF4

Color has no name
#65D0E3

Color has no name
#66BFCF

Color has no name
#6BACB7

Color has no name
#74979D

Color has no name
Grey

#808080

#66DFF4 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#9866F4

Color has no name
#666DF4

Color has no name
#66A6F4

Color has no name
#66DFF4

Color has no name
#66F4D0

Color has no name
#66F498

Color has no name
#6DF466

Color has no name

#66DFF4 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
#66DFF4
#66DFF4

Color has no name

#F47C66
#F47C66

Color has no name

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
#66DFF4
#66DFF4

Color has no name

#F4C366
#F4C366

Color has no name

#F46698
#F46698

Color has no name

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
#6698F4
#6698F4

Color has no name

#66DFF4
#66DFF4

Color has no name

#66F4C3
#66F4C3

Color has no name

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
#66DFF4
#66DFF4

Color has no name

#F466DF
#F466DF

Color has no name

#DFF466
#DFF466

Color has no name

Tetradic

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

Tetradic color scheme
#66DFF4
#66DFF4

Color has no name

#7C66F4
#7C66F4

Color has no name

#F47C66
#F47C66

Color has no name

#DFF466
#DFF466

Color has no name

Square

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

Square color scheme
#66DFF4
#66DFF4

Color has no name

#C366F4
#C366F4

Color has no name

#F47C66
#F47C66

Color has no name

#98F466
#98F466

Color has no name

Nearest named colors to #66DFF4

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

Light Brilliant Cerulean color link
Light Brilliant Cerulean

#65D8FF

Light Brilliant Arctic Blue color link
Light Brilliant Arctic Blue

#65ECFF

Palm Beach Sky color link
Palm Beach Sky

#7AE2F0

Aquamarine Blue color link
Aquamarine Blue

#71D9E2

Blue Diamond color link
Blue Diamond

#4EE2EC

Brilliant Cyan color link
Brilliant Cyan

#51E7E7

Brilliant Arctic Blue color link
Brilliant Arctic Blue

#51D5E7

Minty Blue color link
Minty Blue

#77F3EB

Medium Sky Blue color link
Medium Sky Blue

#80DAEB

Light Brilliant Cornflower Blue color link
Light Brilliant Cornflower Blue

#65C5FF

Middle Blue color link
Middle Blue

#7ED4E6

Lightblue color link
Lightblue

#7BC8F6

#66DFF4 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

#66DFF4 color image #66DFF4 color ORCN HD wallpaper 3840x2160 (Desktop)
#66DFF4 color image #66DFF4 color ORCN HD wallpaper 1170x2532 (Mobile)
#66DFF4 color image #66DFF4 color solid HD wallpaper 3840x2160 (Desktop)
#66DFF4 color image #66DFF4 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#66DFF4
  • RGB102, 223, 244
  • CMYK56, 8, 0, 4
  • CSSrgb(102, 223, 244)
  • HSL189°, 87%, 68%
  • HSL Precise188.873°, 86.585%, 67.843%
  • HSV189°, 58%, 96%
  • HSB189°, 58%, 96%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.875
  • Normalized B (0.0–1.0)0.957
  • GLSLvec3(0.400, 0.875, 0.957)
  • GLSL with alphavec4(0.400, 0.875, 0.957, 1.000)
  • HLSL / Metalfloat3(0.400, 0.875, 0.957)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB87.5%
  • Percentage of Blue in RGB95.7%
  • Color Family (Hue)Cyan
  • Saturation FamilyFull Saturation
  • Lightness FamilyVery Light
  • HEX ID66DFF4
  • DECIMAL ID6742004
  • Name LengthThis color has no name
  • This page visited897 times
  • Counting from2025-01-01

Copyright © 2021-2026 The Official Register of Color Names. All Rights Reserved.