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#81A800 Color

#81A800 is rgb(129, 168, 0) in RGB, hsl(74, 100%, 33%) in HSL, and about cmyk(23%, 0%, 100%, 34%) in CMYK. It has no registered color name of its own — the closest is Microsoft Green (#7DB700), clearly related but distinguishable side by side at ΔE 9.48. Black text is the more readable choice on this background.

#81A800
HEX#81A800
RGBrgb(129, 168, 0)
HSLhsl(74, 100%, 33%)
HSVhsv(74, 100%, 66%)
CMYKcmyk(23%, 0%, 100%, 34%)
OKLCHoklch(67.8% 0.169 124.6)
LABlab(64.12% -28.02 64.58)
LCHlch(64.12% 70.39 113.46)

What #81A800 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #81A800, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Microsoft Green#7DB700ΔE 9.48Limerick#9DC209ΔE 11.84Citron#9FA91FΔE 13.01Yellow Green#9ACD32ΔE 13.67Acid Green#B0BF1AΔE 14.87Green (RYB)#66B032ΔE 16.35

Browse the full index of named colors A-Z or every green in the library.

#81A800 Channel Values

How #81A800 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 129 · G 168 · B 08-bit channels as sent to the display
HSLH 74° · S 100% · L 33%Easiest model for building lighter and darker variants
HSVH 74° · S 100% · V 66%Matches the picker in most design tools
CMYKC 23% · M 0% · Y 100% · K 34%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.79:1 vs white · 7.53:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #81A800 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text2.79:1AA normal AA large AAA normal
TextBlack text7.53:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #81A800 in the contrast checker.

Colors That Go With #81A800

Pairings derived from color-wheel relationships. The complementary color sits opposite #81A800; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#81A800
Complementary
#2700A8
Analogous
#A87B00
Analogous
#2DA800
Triadic
#0081A8
Triadic
#A80081
Split comp.
#002DA8
Split comp.
#7B00A8

Tints & Shades of #81A800

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#A4D600
#C6FF0A
#D1FF38
#DBFF66
#E6FF94
#F2FFC7

Shades

#719400
#628000
#526B00
#3F5200
#2F3D00
#1F2900

Want a full 50-950 ramp with semantic roles? Generate design tokens from #81A800.

How #81A800 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#81A800
Protanopia#A2A203
Protanomaly#96A502
Deuteranopia#9C9C0F
Deuteranomaly#92A109
Tritanopia#8E9E9E
Tritanomaly#89A27D
Achromatopsia#9B9B9B

Test a full palette in the color blindness simulator.

Using #81A800 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-81a800: #81A800;
CSS backgroundbackground-color: #81A800;
Tailwind configcolors: { 'color-81a800': '#81A800' }
SwiftUIColor(red: 0.506, green: 0.659, blue: 0.000)
Android XML<color name="color_81a800">#81A800</color>
SVG fillfill="#81A800"

More Green Colors

#81A800 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#81A800 Frequently Asked Questions

What color is #81A800?

#81A800 is a dark green — rgb(129, 168, 0) in RGB and hsl(74, 100%, 33%) in HSL. It carries no registered color name of its own; the closest named color is Microsoft Green (#7DB700), which is clearly related but distinguishable side by side at a CIE76 distance of 9.48.

What is the RGB value of #81A800?

#81A800 is rgb(129, 168, 0) — red 129, green 168, and blue 0 on the 0-255 scale.

What is the CMYK value of #81A800?

#81A800 converts to approximately cmyk(23%, 0%, 100%, 34%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #81A800 be black or white?

Black text is the more readable choice. #81A800 scores 2.79:1 against white and 7.53:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #81A800 as a CSS color keyword?

No. #81A800 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is yellowgreen (#9ACD32) at a CIE76 distance of 13.67, which is visibly different.

Open #81A800 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.