#81D143#81D143

#81D143 is a light, vivid yellow-green. Relative luminance 0.507; OKLCH L 78.1% C 0.191 H 134.3°. Best body text is #000000 at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#81D143
RGB	rgb(129, 209, 67)
HSL	hsl(94, 61%, 54%)
HSV	hsv(94, 68%, 82%)
CMYK	cmyk(38.3%, 0%, 67.9%, 18%)
CIE-LAB	lab(76.48, -47.67, 60.07)
CIE-LCH	lch(76.48, 76.69, 128.44°)
OKLab	oklab(78.12% -0.1332 0.1367)
OKLCH	oklch(78.12% 0.191 134.3)
XYZ	xyz(32.8662, 50.6717, 13.3580)
Luminance	0.5067 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D143 #9343D1

analogous

#C8D143 #81D143 #43D14C

triadic

#81D143 #4381D1 #D14381

tetradic

#81D143 #43C8D1 #9343D1 #D14C43

square

#81D143 #43C8D1 #9343D1 #D14C43

split-complementary

#81D143 #4C43D1 #D143C8

monochromatic

#477B1E #63AD2A #81D143 #A2DD74 #C3E9A5

Accessibility & contrast

On white

1.89

#81D143 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.13

#81D143 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D143

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D143	#FFFFFF	#000000	##000000
##81D143	1.00	1.89	11.13	11.13
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.13	21.00	1.00	1.00
##000000	11.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C12E

Deuteranopia (green-blind)

#CEBA4F

Tritanopia (blue-blind)

#80C9B4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #81d143;
/* rgb */ color: rgb(129, 209, 67);
/* oklch */ color: oklch(78.1% 0.191 134.3);

Tailwind

colors: {
  custom: {
    50: '#abdf7e',
    500: '#81d143',
    950: '#000000',
  },
}

SCSS

$custom: #81d143;
$custom-light: #abdf7e;
$custom-dark: #000000;

JSON

{
  "hex": "#81d143",
  "rgb": {
    "r": 129,
    "g": 209,
    "b": 67
  },
  "hsl": {
    "h": 93.803,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.78119,
    "c": 0.19088,
    "h": 134.3
  },
  "luminance": 0.50673
}

Semantic roles & 50–950 ramp

primary

#81D143

secondary

#613583

accent

#44E49E

background

#FDFEFB

surface

#F7FCF2

border

#D0D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D143

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

Preview Lab → · Contrast checker → · Palette generator →