#81B236#81B236

#81B236 is a light, vivid yellow-green. Relative luminance 0.368; OKLCH L 70.5% C 0.160 H 128.6°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#81B236
RGB	rgb(129, 178, 54)
HSL	hsl(84, 53%, 45%)
HSV	hsv(84, 70%, 70%)
CMYK	cmyk(27.5%, 0%, 69.7%, 30.2%)
CIE-LAB	lab(67.11, -35.15, 55.41)
CIE-LCH	lch(67.11, 65.62, 122.39°)
OKLab	oklab(70.45% -0.1001 0.1252)
OKLCH	oklch(70.45% 0.16 128.6)
XYZ	xyz(25.6395, 36.7736, 9.2365)
Luminance	0.3677 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B236 #6736B2

analogous

#B2A536 #81B236 #43B236

triadic

#81B236 #3681B2 #B23681

tetradic

#81B236 #36B2A5 #6736B2 #B23643

square

#81B236 #36B2A5 #6736B2 #B23643

split-complementary

#81B236 #3643B2 #A536B2

monochromatic

#3D541A #5F8328 #81B236 #9FCD59 #BADB88

Accessibility & contrast

On white

2.51

#81B236 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#81B236 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B236

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B236	#FFFFFF	#000000	##000000
##81B236	1.00	2.51	8.35	8.35
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA623

Deuteranopia (green-blind)

#B4A241

Tritanopia (blue-blind)

#85AA99

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #81b236;
/* rgb */ color: rgb(129, 178, 54);
/* oklch */ color: oklch(70.5% 0.160 128.6);

Tailwind

colors: {
  custom: {
    50: '#a9c974',
    500: '#81b236',
    950: '#000000',
  },
}

SCSS

$custom: #81b236;
$custom-light: #a9c974;
$custom-dark: #000000;

JSON

{
  "hex": "#81b236",
  "rgb": {
    "r": 129,
    "g": 178,
    "b": 54
  },
  "hsl": {
    "h": 83.71,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.70452,
    "c": 0.16026,
    "h": 128.6
  },
  "luminance": 0.36774
}

Semantic roles & 50–950 ramp

primary

#81B236

secondary

#9B7FC5

accent

#4BDD85

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #81B236

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

Preview Lab → · Contrast checker → · Palette generator →