#81B736#81B736

#81B736 is a light, vivid yellow-green. Relative luminance 0.388; OKLCH L 71.7% C 0.167 H 129.6°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#81B736
RGB	rgb(129, 183, 54)
HSL	hsl(85, 54%, 46%)
HSV	hsv(85, 70%, 72%)
CMYK	cmyk(29.5%, 0%, 70.5%, 28.2%)
CIE-LAB	lab(68.61, -37.41, 56.94)
CIE-LCH	lch(68.61, 68.13, 123.31°)
OKLab	oklab(71.67% -0.1063 0.1284)
OKLCH	oklch(71.67% 0.167 129.6)
XYZ	xyz(26.6525, 38.7997, 9.5742)
Luminance	0.3880 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B736 #6C36B7

analogous

#B7AD36 #81B736 #41B736

triadic

#81B736 #3681B7 #B73681

tetradic

#81B736 #36B7AD #6C36B7 #B73641

square

#81B736 #36B7AD #6C36B7 #B73641

split-complementary

#81B736 #3641B7 #AD36B7

monochromatic

#3E581A #608828 #81B736 #9ECF5B #BADD8B

Accessibility & contrast

On white

2.40

#81B736 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#81B736 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B736

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B736	#FFFFFF	#000000	##000000
##81B736	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA21

Deuteranopia (green-blind)

#B8A641

Tritanopia (blue-blind)

#85AF9E

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #81b736;
/* rgb */ color: rgb(129, 183, 54);
/* oklch */ color: oklch(71.7% 0.167 129.6);

Tailwind

colors: {
  custom: {
    50: '#aacd75',
    500: '#81b736',
    950: '#000000',
  },
}

SCSS

$custom: #81b736;
$custom-light: #aacd75;
$custom-dark: #000000;

JSON

{
  "hex": "#81b736",
  "rgb": {
    "r": 129,
    "g": 183,
    "b": 54
  },
  "hsl": {
    "h": 85.116,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.7167,
    "c": 0.16664,
    "h": 129.6
  },
  "luminance": 0.388
}

Semantic roles & 50–950 ramp

primary

#81B736

secondary

#9F82C7

accent

#4ADE88

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #81B736

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

Preview Lab → · Contrast checker → · Palette generator →