#81D937#81D937

#81D937 is a light, highly saturated yellow-green. Relative luminance 0.546; OKLCH L 80.0% C 0.208 H 134.2°. Best body text is #000000 at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#81D937
RGB	rgb(129, 217, 55)
HSL	hsl(93, 68%, 53%)
HSV	hsv(93, 75%, 85%)
CMYK	cmyk(40.6%, 0%, 74.7%, 14.9%)
CIE-LAB	lab(78.79, -51.73, 66.68)
CIE-LCH	lch(78.79, 84.39, 127.80°)
OKLab	oklab(79.99% -0.145 0.1489)
OKLCH	oklch(79.99% 0.208 134.2)
XYZ	xyz(34.5550, 54.5669, 12.3254)
Luminance	0.5457 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D937 #8F37D9

analogous

#D2D937 #81D937 #37D93E

triadic

#81D937 #3781D9 #D93781

tetradic

#81D937 #37D2D9 #8F37D9 #D93E37

square

#81D937 #37D2D9 #8F37D9 #D93E37

split-complementary

#81D937 #3E37D9 #D937D2

monochromatic

#467E18 #63B122 #81D937 #A1E36A #C2ED9E

Accessibility & contrast

On white

1.76

#81D937 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.91

#81D937 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D937

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D937	#FFFFFF	#000000	##000000
##81D937	1.00	1.76	11.91	11.91
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.91	21.00	1.00	1.00
##000000	11.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C812

Deuteranopia (green-blind)

#D6C048

Tritanopia (blue-blind)

#80D1BA

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #81d937;
/* rgb */ color: rgb(129, 217, 55);
/* oklch */ color: oklch(80.0% 0.208 134.2);

Tailwind

colors: {
  custom: {
    50: '#ace579',
    500: '#81d937',
    950: '#000000',
  },
}

SCSS

$custom: #81d937;
$custom-light: #ace579;
$custom-dark: #000000;

JSON

{
  "hex": "#81d937",
  "rgb": {
    "r": 129,
    "g": 217,
    "b": 55
  },
  "hsl": {
    "h": 92.593,
    "s": 68.067,
    "l": 53.333
  },
  "oklch": {
    "l": 0.79986,
    "c": 0.20787,
    "h": 134.2
  },
  "luminance": 0.54569
}

Semantic roles & 50–950 ramp

primary

#81D937

secondary

#5E2F85

accent

#3DEB9B

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11160A

muted

#81847D

Preview Lab

Preview with #81D937

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

Preview Lab → · Contrast checker → · Palette generator →