#81B436#81B436

#81B436 is a light, vivid yellow-green. Relative luminance 0.376; OKLCH L 70.9% C 0.163 H 129.1°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#81B436
RGB	rgb(129, 180, 54)
HSL	hsl(84, 54%, 46%)
HSV	hsv(84, 70%, 71%)
CMYK	cmyk(28.3%, 0%, 70%, 29.4%)
CIE-LAB	lab(67.71, -36.06, 56.02)
CIE-LCH	lch(67.71, 66.62, 122.77°)
OKLab	oklab(70.94% -0.1026 0.1264)
OKLCH	oklch(70.94% 0.163 129.1)
XYZ	xyz(26.0403, 37.5753, 9.3701)
Luminance	0.3758 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B436 #6936B4

analogous

#B4A836 #81B436 #42B436

triadic

#81B436 #3681B4 #B43681

tetradic

#81B436 #36B4A8 #6936B4 #B43642

square

#81B436 #36B4A8 #6936B4 #B43642

split-complementary

#81B436 #3642B4 #A836B4

monochromatic

#3E561A #5F8528 #81B436 #9FCD5A #BADC89

Accessibility & contrast

On white

2.47

#81B436 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#81B436 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B436

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B436	#FFFFFF	#000000	##000000
##81B436	1.00	2.47	8.52	8.52
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA722

Deuteranopia (green-blind)

#B6A441

Tritanopia (blue-blind)

#85AC9B

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #81b436;
/* rgb */ color: rgb(129, 180, 54);
/* oklch */ color: oklch(70.9% 0.163 129.1);

Tailwind

colors: {
  custom: {
    50: '#a9ca75',
    500: '#81b436',
    950: '#000000',
  },
}

SCSS

$custom: #81b436;
$custom-light: #a9ca75;
$custom-dark: #000000;

JSON

{
  "hex": "#81b436",
  "rgb": {
    "r": 129,
    "g": 180,
    "b": 54
  },
  "hsl": {
    "h": 84.286,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.70939,
    "c": 0.16282,
    "h": 129.1
  },
  "luminance": 0.37576
}

Semantic roles & 50–950 ramp

primary

#81B436

secondary

#9C80C6

accent

#4BDD86

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #81B436

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

Preview Lab → · Contrast checker → · Palette generator →