#81B535#81B535

#81B535 is a light, vivid yellow-green. Relative luminance 0.380; OKLCH L 71.2% C 0.165 H 129.2°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#81B535
RGB	rgb(129, 181, 53)
HSL	hsl(84, 55%, 46%)
HSV	hsv(84, 71%, 71%)
CMYK	cmyk(28.7%, 0%, 70.7%, 29%)
CIE-LAB	lab(68.00, -36.58, 56.70)
CIE-LCH	lch(68.00, 67.48, 122.83°)
OKLab	oklab(71.18% -0.1041 0.1277)
OKLCH	oklch(71.18% 0.165 129.2)
XYZ	xyz(26.2196, 37.9712, 9.3152)
Luminance	0.3797 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B535 #6935B5

analogous

#B5A935 #81B535 #41B535

triadic

#81B535 #3581B5 #B53581

tetradic

#81B535 #35B5A9 #6935B5 #B53541

square

#81B535 #35B5A9 #6935B5 #B53541

split-complementary

#81B535 #3541B5 #A935B5

monochromatic

#3E5619 #5F8627 #81B535 #9FCE59 #BADC88

Accessibility & contrast

On white

2.44

#81B535 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#81B535 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B535

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B535	#FFFFFF	#000000	##000000
##81B535	1.00	2.44	8.59	8.59
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.59	21.00	1.00	1.00
##000000	8.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA820

Deuteranopia (green-blind)

#B6A540

Tritanopia (blue-blind)

#85AD9C

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #81b535;
/* rgb */ color: rgb(129, 181, 53);
/* oklch */ color: oklch(71.2% 0.165 129.2);

Tailwind

colors: {
  custom: {
    50: '#a9cb74',
    500: '#81b535',
    950: '#000000',
  },
}

SCSS

$custom: #81b535;
$custom-light: #a9cb74;
$custom-dark: #000000;

JSON

{
  "hex": "#81b535",
  "rgb": {
    "r": 129,
    "g": 181,
    "b": 53
  },
  "hsl": {
    "h": 84.375,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.71175,
    "c": 0.16475,
    "h": 129.2
  },
  "luminance": 0.37972
}

Semantic roles & 50–950 ramp

primary

#81B535

secondary

#9C80C6

accent

#4ADE86

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #81B535

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

Preview Lab → · Contrast checker → · Palette generator →