Information about #66AD1B color

#66AD1B color image

Basic facts about this digital color

The digital color #66AD1B is classified in the Register under the Chartreuse Color Family, with High Saturation and Neutral brightness. In numbers: rgb(102, 173, 27) (40% red, 67.8% green, 10.6% blue), or CMYK 28 / 0 / 57 / 32 for print. Curious how these numbers work? Read our RGB color codes guide.

The color #66AD1B reads as a energetic, saturated chartreuse and sits comfortably between light and dark. Expect to see shades like this in bold branding moments and attention-grabbing details. In The Official Register of Color Names it is very close to Christi (#71A91D). Nearby in the Register you will also find Green Onion (#6AA121) and Cinnabar Green (#61B329).

In RGB terms — rgb(102, 173, 27) — the green channel does the heavy lifting here. If you plan to put text on a #66AD1B background, choose black — the contrast ratio is 7.6:1 (passing WCAG AAA), while white manages only 2.8:1. #66AD1B has no official name yet. If this shade means something to you, you can be the one to name it.

#66AD1B color variations

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

#66AD1B color tints

Tints look brighter, pastel, and less intense.
#66AD1B

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#85DD27

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#A3E55D

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#C2EE93

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#E0F6C9

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White

#FFFFFF

#66AD1B color shades

Shades look darker, richer, and more solid.
#66AD1B

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#518915

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#3D6710

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#28440A

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#142205

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Black

#000000

#66AD1B color tones

Tones looks more sophisticated and complex than base colors.
#66AD1B

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#6BA62B

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#709F3E

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#759652

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#7A8B68

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Grey

#808080

#66AD1B color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#1AAC7E

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#1AAC43

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#2BAC1A

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#66AD1B

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#9FAC1A

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#AC7E1A

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#AC431A

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#66AD1B 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
#66AD1B
#66AD1B

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#611BAC
#611BAC

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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
#66AD1B
#66AD1B

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#AA1BAC
#AA1BAC

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#1B1DAC
#1B1DAC

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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
#1DAC1B
#1DAC1B

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#66AD1B
#66AD1B

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#ACAA1B
#ACAA1B

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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
#66AD1B
#66AD1B

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#1B66AC
#1B66AC

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#AC1B66
#AC1B66

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Tetradic

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

Tetradic color scheme
#66AD1B
#66AD1B

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#1BAC61
#1BAC61

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#611BAC
#611BAC

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#AC1B66
#AC1B66

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Square

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

Square color scheme
#66AD1B
#66AD1B

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#1BACAA
#1BACAA

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#611BAC
#611BAC

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#AC1B1D
#AC1B1D

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Nearest named colors to #66AD1B

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

Christi color link
Christi

#71A91D

Green Onion color link
Green Onion

#6AA121

Cinnabar Green color link
Cinnabar Green

#61B329

Grass color link
Grass

#5CAC2D

Lima color link
Lima

#7AAC21

Alien Green color link
Alien Green

#6CC417

Leaf Green color link
Leaf Green

#5CA904

Limeade color link
Limeade

#5F9727

Kakapo color link
Kakapo

#5C9625

Leaf color link
Leaf

#71AA34

Strong Spring Bud color link
Strong Spring Bud

#69A800

Kermit Green color link
Kermit Green

#5CB200

#66AD1B color backgrounds & wallpapers

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

#66AD1B color image #66AD1B color ORCN HD wallpaper 3840x2160 (Desktop)
#66AD1B color image #66AD1B color ORCN HD wallpaper 1170x2532 (Mobile)
#66AD1B color image #66AD1B color solid HD wallpaper 3840x2160 (Desktop)
#66AD1B color image #66AD1B color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#66AD1B
  • RGB102, 173, 27
  • CMYK28, 0, 57, 32
  • CSSrgb(102, 173, 27)
  • HSL89°, 73%, 39%
  • HSL Precise89.178°, 73%, 39.216%
  • HSV89°, 84%, 68%
  • HSB89°, 84%, 68%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.678
  • Normalized B (0.0–1.0)0.106
  • GLSLvec3(0.400, 0.678, 0.106)
  • GLSL with alphavec4(0.400, 0.678, 0.106, 1.000)
  • HLSL / Metalfloat3(0.400, 0.678, 0.106)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB67.8%
  • Percentage of Blue in RGB10.6%
  • Color FamilyChartreuse
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX ID66AD1B
  • DECIMAL ID6728987
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01

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ORCN is an independent private organisation that maintains a public register — not a governmental institution or an international standards organisation — in which a name is linked to a specific digital colour code. Registration gives the registrant the exclusive right, within the ORCN register, to have that name recorded against that colour code.

Important: a digital colour itself belongs to no one in law. That right exists only within the ORCN register: registration creates no ownership, trademark, copyright or design rights anywhere. Legal exclusivity outside the register, where it is available at all, arises separately under applicable trademark law and is generally limited to particular goods, services and jurisdictions.