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#81F42F Color

#81F42F is rgb(129, 244, 47) in RGB, hsl(95, 90%, 57%) in HSL, and about cmyk(47%, 0%, 81%, 4%) in CMYK. It has no registered color name of its own — the closest is Spring Frost (#87FF2A), clearly related but distinguishable side by side at ΔE 5.88. Black text is the more readable choice on this background.

#81F42F
HEX#81F42F
RGBrgb(129, 244, 47)
HSLhsl(95, 90%, 57%)
HSVhsv(95, 81%, 96%)
CMYKcmyk(47%, 0%, 81%, 4%)
OKLCHoklch(86.5% 0.242 136)
LABlab(86.95% -56.45 74.97)
LCHlch(86.95% 93.84 126.98)

What #81F42F 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 #81F42F, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Spring Frost#87FF2AΔE 5.88French Lime#9EFD38ΔE 7.42Lawn Green#7CFC00ΔE 9.66Chartreuse#7FFF00ΔE 10.67Mango Green#96FF00ΔE 11.01Green Lizard#A7F432ΔE 12.53

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

#81F42F Channel Values

How #81F42F 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 244 · B 478-bit channels as sent to the display
HSLH 95° · S 90% · L 57%Easiest model for building lighter and darker variants
HSVH 95° · S 81% · V 96%Matches the picker in most design tools
CMYKC 47% · M 0% · Y 81% · K 4%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.41:1 vs white · 14.91:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #81F42F 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 text1.41:1AA normal AA large AAA normal
TextBlack text14.91:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #81F42F in the contrast checker.

Colors That Go With #81F42F

Pairings derived from color-wheel relationships. The complementary color sits opposite #81F42F; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#81F42F
Complementary
#A22FF4
Analogous
#E4F42F
Analogous
#2FF43F
Triadic
#2F81F4
Triadic
#F42F81
Split comp.
#3F2FF4
Split comp.
#F42FE4

Tints & Shades of #81F42F

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

#92F64C
#A4F769
#B6F986
#C4FA9E
#D6FBBB
#E8FDD8

Shades

#6AED0C
#5BCB0B
#4AA509
#3B8307
#295C05
#1A3A03

Want a full 50-950 ramp with semantic roles? Generate design tokens from #81F42F.

How #81F42F 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#81F42F
Protanopia#E6E632
Protanomaly#C5EB31
Deuteranopia#D7D73E
Deuteranomaly#BBE338
Tritanopia#9CE6E6
Tritanomaly#92ECB9
Achromatopsia#D9D9D9

Test a full palette in the color blindness simulator.

Using #81F42F in Code

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

CSS custom property--color-81f42f: #81F42F;
CSS backgroundbackground-color: #81F42F;
Tailwind configcolors: { 'color-81f42f': '#81F42F' }
SwiftUIColor(red: 0.506, green: 0.957, blue: 0.184)
Android XML<color name="color_81f42f">#81F42F</color>
SVG fillfill="#81F42F"

More Green Colors

#81F42F sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#81F42F Frequently Asked Questions

What color is #81F42F?

#81F42F is a mid-tone green — rgb(129, 244, 47) in RGB and hsl(95, 90%, 57%) in HSL. It carries no registered color name of its own; the closest named color is Spring Frost (#87FF2A), which is clearly related but distinguishable side by side at a CIE76 distance of 5.88.

What is the RGB value of #81F42F?

#81F42F is rgb(129, 244, 47) — red 129, green 244, and blue 47 on the 0-255 scale.

What is the CMYK value of #81F42F?

#81F42F converts to approximately cmyk(47%, 0%, 81%, 4%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #81F42F be black or white?

Black text is the more readable choice. #81F42F scores 1.41:1 against white and 14.91:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #81F42F as a CSS color keyword?

No. #81F42F 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 lawngreen (#7CFC00) at a CIE76 distance of 9.66, which is clearly related but distinguishable side by side.

Open #81F42F 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.