#81CF34#81CF34

#81CF34 is a light, vivid yellow-green. Relative luminance 0.495; OKLCH L 77.5% C 0.198 H 133.0°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#81CF34
RGB	rgb(129, 207, 52)
HSL	hsl(90, 62%, 51%)
HSV	hsv(90, 75%, 81%)
CMYK	cmyk(37.7%, 0%, 74.9%, 18.8%)
CIE-LAB	lab(75.79, -47.84, 64.75)
CIE-LCH	lch(75.79, 80.51, 126.46°)
OKLab	oklab(77.52% -0.1347 0.1444)
OKLCH	oklch(77.52% 0.198 133)
XYZ	xyz(31.9854, 49.5392, 11.1249)
Luminance	0.4954 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CF34 #8234CF

analogous

#CECF34 #81CF34 #34CF34

triadic

#81CF34 #3481CF #CF3481

tetradic

#81CF34 #34CECF #8234CF #CF3434

square

#81CF34 #34CECF #8234CF #CF3434

split-complementary

#81CF34 #3434CF #CF34CE

monochromatic

#446E1A #63A026 #81CF34 #A0DB65 #BEE697

Accessibility & contrast

On white

1.93

#81CF34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.91

#81CF34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CF34

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CF34	#FFFFFF	#000000	##000000
##81CF34	1.00	1.93	10.91	10.91
#FFFFFF	1.93	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)

#D8BF10

Deuteranopia (green-blind)

#CDB944

Tritanopia (blue-blind)

#82C7B2

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #81cf34;
/* rgb */ color: rgb(129, 207, 52);
/* oklch */ color: oklch(77.5% 0.198 133.0);

Tailwind

colors: {
  custom: {
    50: '#abde77',
    500: '#81cf34',
    950: '#000000',
  },
}

SCSS

$custom: #81cf34;
$custom-light: #abde77;
$custom-dark: #000000;

JSON

{
  "hex": "#81cf34",
  "rgb": {
    "r": 129,
    "g": 207,
    "b": 52
  },
  "hsl": {
    "h": 90.194,
    "s": 61.753,
    "l": 50.784
  },
  "oklch": {
    "l": 0.77521,
    "c": 0.19753,
    "h": 133
  },
  "luminance": 0.49541
}

Semantic roles & 50–950 ramp

primary

#81CF34

secondary

#B08DD2

accent

#43E594

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#111509

muted

#80837B

Preview Lab

Preview with #81CF34

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

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