#81DA37#81DA37

#81DA37 is a light, highly saturated yellow-green. Relative luminance 0.551; OKLCH L 80.2% C 0.209 H 134.3°. Best body text is #000000 at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#81DA37
RGB	rgb(129, 218, 55)
HSL	hsl(93, 69%, 54%)
HSV	hsv(93, 75%, 85%)
CMYK	cmyk(40.8%, 0%, 74.8%, 14.5%)
CIE-LAB	lab(79.09, -52.12, 66.97)
CIE-LCH	lch(79.09, 84.87, 127.89°)
OKLab	oklab(80.23% -0.1461 0.1495)
OKLCH	oklch(80.23% 0.209 134.3)
XYZ	xyz(34.8136, 55.0839, 12.4116)
Luminance	0.5509 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DA37 #9037DA

analogous

#D2DA37 #81DA37 #37DA3E

triadic

#81DA37 #3781DA #DA3781

tetradic

#81DA37 #37D2DA #9037DA #DA3E37

square

#81DA37 #37D2DA #9037DA #DA3E37

split-complementary

#81DA37 #3E37DA #DA37D2

monochromatic

#477F18 #63B321 #81DA37 #A2E46B #C2ED9E

Accessibility & contrast

On white

1.75

#81DA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.02

#81DA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DA37

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DA37	#FFFFFF	#000000	##000000
##81DA37	1.00	1.75	12.02	12.02
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.02	21.00	1.00	1.00
##000000	12.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C811

Deuteranopia (green-blind)

#D6C148

Tritanopia (blue-blind)

#80D1BB

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #81da37;
/* rgb */ color: rgb(129, 218, 55);
/* oklch */ color: oklch(80.2% 0.209 134.3);

Tailwind

colors: {
  custom: {
    50: '#ace679',
    500: '#81da37',
    950: '#000000',
  },
}

SCSS

$custom: #81da37;
$custom-light: #ace679;
$custom-dark: #000000;

JSON

{
  "hex": "#81da37",
  "rgb": {
    "r": 129,
    "g": 218,
    "b": 55
  },
  "hsl": {
    "h": 92.761,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.8023,
    "c": 0.20904,
    "h": 134.3
  },
  "luminance": 0.55086
}

Semantic roles & 50–950 ramp

primary

#81DA37

secondary

#5F2F86

accent

#3CEC9C

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11160A

muted

#81847D

Preview Lab

Preview with #81DA37

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

Preview Lab → · Contrast checker → · Palette generator →