#81CF38#81CF38

#81CF38 is a light, vivid yellow-green. Relative luminance 0.496; OKLCH L 77.5% C 0.195 H 133.3°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#81CF38
RGB	rgb(129, 207, 56)
HSL	hsl(91, 61%, 52%)
HSV	hsv(91, 73%, 81%)
CMYK	cmyk(37.7%, 0%, 72.9%, 18.8%)
CIE-LAB	lab(75.81, -47.60, 63.43)
CIE-LCH	lch(75.81, 79.30, 126.89°)
OKLab	oklab(77.55% -0.1338 0.1422)
OKLCH	oklch(77.55% 0.195 133.3)
XYZ	xyz(32.0794, 49.5768, 11.6196)
Luminance	0.4958 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CF38 #8638CF

analogous

#CDCF38 #81CF38 #38CF3B

triadic

#81CF38 #3881CF #CF3881

tetradic

#81CF38 #38CDCF #8638CF #CF3B38

square

#81CF38 #38CDCF #8638CF #CF3B38

split-complementary

#81CF38 #3B38CF #CF38CD

monochromatic

#45711B #63A327 #81CF38 #A0DB69 #BFE79B

Accessibility & contrast

On white

1.92

#81CF38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#81CF38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CF38

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CF38	#FFFFFF	#000000	##000000
##81CF38	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF1B

Deuteranopia (green-blind)

#CDB947

Tritanopia (blue-blind)

#81C7B2

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #81cf38;
/* rgb */ color: rgb(129, 207, 56);
/* oklch */ color: oklch(77.5% 0.195 133.3);

Tailwind

colors: {
  custom: {
    50: '#abde78',
    500: '#81cf38',
    950: '#000000',
  },
}

SCSS

$custom: #81cf38;
$custom-light: #abde78;
$custom-dark: #000000;

JSON

{
  "hex": "#81cf38",
  "rgb": {
    "r": 129,
    "g": 207,
    "b": 56
  },
  "hsl": {
    "h": 90.993,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.77547,
    "c": 0.19529,
    "h": 133.3
  },
  "luminance": 0.49578
}

Semantic roles & 50–950 ramp

primary

#81CF38

secondary

#B390D3

accent

#44E497

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#11150A

muted

#80837C

Preview Lab

Preview with #81CF38

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

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