#81CF36#81CF36

#81CF36 is a light, vivid yellow-green. Relative luminance 0.496; OKLCH L 77.5% C 0.196 H 133.1°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#81CF36
RGB	rgb(129, 207, 54)
HSL	hsl(91, 61%, 51%)
HSV	hsv(91, 74%, 81%)
CMYK	cmyk(37.7%, 0%, 73.9%, 18.8%)
CIE-LAB	lab(75.80, -47.73, 64.10)
CIE-LCH	lch(75.80, 79.91, 126.67°)
OKLab	oklab(77.53% -0.1343 0.1434)
OKLCH	oklch(77.53% 0.196 133.1)
XYZ	xyz(32.0315, 49.5576, 11.3672)
Luminance	0.4956 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CF36 #8436CF

analogous

#CECF36 #81CF36 #36CF37

triadic

#81CF36 #3681CF #CF3681

tetradic

#81CF36 #36CECF #8436CF #CF3736

square

#81CF36 #36CECF #8436CF #CF3736

split-complementary

#81CF36 #3736CF #CF36CE

monochromatic

#44701B #63A127 #81CF36 #A0DB67 #BFE799

Accessibility & contrast

On white

1.92

#81CF36 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.91

#81CF36 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CF36

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CF36	#FFFFFF	#000000	##000000
##81CF36	1.00	1.92	10.91	10.91
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.91	21.00	1.00	1.00
##000000	10.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF16

Deuteranopia (green-blind)

#CDB945

Tritanopia (blue-blind)

#81C7B2

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #81cf36;
/* rgb */ color: rgb(129, 207, 54);
/* oklch */ color: oklch(77.5% 0.196 133.1);

Tailwind

colors: {
  custom: {
    50: '#abde77',
    500: '#81cf36',
    950: '#000000',
  },
}

SCSS

$custom: #81cf36;
$custom-light: #abde77;
$custom-dark: #000000;

JSON

{
  "hex": "#81cf36",
  "rgb": {
    "r": 129,
    "g": 207,
    "b": 54
  },
  "hsl": {
    "h": 90.588,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.77534,
    "c": 0.19643,
    "h": 133.1
  },
  "luminance": 0.49559
}

Semantic roles & 50–950 ramp

primary

#81CF36

secondary

#B18FD2

accent

#43E595

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#111509

muted

#80837B

Preview Lab

Preview with #81CF36

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

Preview Lab → · Contrast checker → · Palette generator →