Skip to content

#81B573 Color

#81B573 is rgb(129, 181, 115) in RGB, hsl(107, 31%, 58%) in HSL, and about cmyk(29%, 0%, 36%, 29%) in CMYK. It has no registered color name of its own — the closest is Olivine (#9AB973), clearly related but distinguishable side by side at ΔE 8.79. Black text is the more readable choice on this background.

#81B573
HEX#81B573
RGBrgb(129, 181, 115)
HSLhsl(107, 31%, 58%)
HSVhsv(107, 36%, 71%)
CMYKcmyk(29%, 0%, 36%, 29%)
OKLCHoklch(72% 0.108 139.1)
LABlab(68.79% -27.33 27.98)
LCHlch(68.79% 39.11 134.33)

What #81B573 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 #81B573, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Olivine#9AB973ΔE 8.79Asparagus#7BA05BΔE 9.16Bud Green#7BB661ΔE 9.79Pistachio#93C572ΔE 9.93Dark Sea Green#8FBC8FΔE 11.87Forest Green (Crayola)#5FA777ΔE 12.82

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

#81B573 Channel Values

How #81B573 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 181 · B 1158-bit channels as sent to the display
HSLH 107° · S 31% · L 58%Easiest model for building lighter and darker variants
HSVH 107° · S 36% · V 71%Matches the picker in most design tools
CMYKC 29% · M 0% · Y 36% · K 29%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.39:1 vs white · 8.79:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #81B573 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 text2.39:1AA normal AA large AAA normal
TextBlack text8.79:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #81B573 in the contrast checker.

Colors That Go With #81B573

Pairings derived from color-wheel relationships. The complementary color sits opposite #81B573; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#81B573
Complementary
#A773B5
Analogous
#A2B573
Analogous
#73B586
Triadic
#7381B5
Triadic
#B57381
Split comp.
#8673B5
Split comp.
#B573A2

Tints & Shades of #81B573

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

#93C087
#A2C897
#B4D3AB
#C6DEC0
#D8E8D4
#E7F1E4

Shades

#69A758
#5A904C
#4A753E
#395A30
#283F21
#192815

Want a full 50-950 ramp with semantic roles? Generate design tokens from #81B573.

How #81B573 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#81B573
Protanopia#AEAE73
Protanomaly#9EB173
Deuteranopia#A6A675
Deuteranomaly#99AC74
Tritanopia#8BAEAE
Tritanomaly#87B19A
Achromatopsia#A8A8A8

Test a full palette in the color blindness simulator.

Using #81B573 in Code

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

CSS custom property--color-81b573: #81B573;
CSS backgroundbackground-color: #81B573;
Tailwind configcolors: { 'color-81b573': '#81B573' }
SwiftUIColor(red: 0.506, green: 0.710, blue: 0.451)
Android XML<color name="color_81b573">#81B573</color>
SVG fillfill="#81B573"

More Green Colors

#81B573 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#81B573 Frequently Asked Questions

What color is #81B573?

#81B573 is a mid-tone green — rgb(129, 181, 115) in RGB and hsl(107, 31%, 58%) in HSL. It carries no registered color name of its own; the closest named color is Olivine (#9AB973), which is clearly related but distinguishable side by side at a CIE76 distance of 8.79.

What is the RGB value of #81B573?

#81B573 is rgb(129, 181, 115) — red 129, green 181, and blue 115 on the 0-255 scale.

What is the CMYK value of #81B573?

#81B573 converts to approximately cmyk(29%, 0%, 36%, 29%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #81B573 be black or white?

Black text is the more readable choice. #81B573 scores 2.39:1 against white and 8.79:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #81B573 as a CSS color keyword?

No. #81B573 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 darkseagreen (#8FBC8F) at a CIE76 distance of 11.87, which is visibly different.

Open #81B573 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.