#81B641#81B641

#81B641 is a light, vivid yellow-green. Relative luminance 0.385; OKLCH L 71.5% C 0.157 H 130.3°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#81B641
RGB	rgb(129, 182, 65)
HSL	hsl(87, 47%, 48%)
HSV	hsv(87, 64%, 71%)
CMYK	cmyk(29.1%, 0%, 64.3%, 28.6%)
CIE-LAB	lab(68.39, -36.15, 52.29)
CIE-LCH	lch(68.39, 63.56, 124.66°)
OKLab	oklab(71.52% -0.1019 0.1201)
OKLCH	oklch(71.52% 0.157 130.3)
XYZ	xyz(26.7351, 38.5039, 11.0234)
Luminance	0.3851 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B641 #7641B6

analogous

#B6B041 #81B641 #47B641

triadic

#81B641 #4181B6 #B64181

tetradic

#81B641 #41B6B0 #7641B6 #B64147

square

#81B641 #41B6B0 #7641B6 #B64147

split-complementary

#81B641 #4147B6 #B041B6

monochromatic

#415C21 #618931 #81B641 #9FCA6A #BCDA97

Accessibility & contrast

On white

2.41

#81B641 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.70

#81B641 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B641

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B641	#FFFFFF	#000000	##000000
##81B641	1.00	2.41	8.70	8.70
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.70	21.00	1.00	1.00
##000000	8.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA932

Deuteranopia (green-blind)

#B7A54A

Tritanopia (blue-blind)

#84AF9E

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #81b641;
/* rgb */ color: rgb(129, 182, 65);
/* oklch */ color: oklch(71.5% 0.157 130.3);

Tailwind

colors: {
  custom: {
    50: '#a9cc7b',
    500: '#81b641',
    950: '#000000',
  },
}

SCSS

$custom: #81b641;
$custom-light: #a9cc7b;
$custom-dark: #000000;

JSON

{
  "hex": "#81b641",
  "rgb": {
    "r": 129,
    "g": 182,
    "b": 65
  },
  "hsl": {
    "h": 87.179,
    "s": 47.368,
    "l": 48.431
  },
  "oklch": {
    "l": 0.71522,
    "c": 0.15748,
    "h": 130.3
  },
  "luminance": 0.38505
}

Semantic roles & 50–950 ramp

primary

#81B641

secondary

#A78DC6

accent

#51D78E

background

#FAFCF7

surface

#F4F8EE

border

#CED1C9

text

#10130A

muted

#7F827C

Preview Lab

Preview with #81B641

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →