#81D431#81D431

#81D431 is a light, highly saturated yellow-green. Relative luminance 0.520; OKLCH L 78.7% C 0.205 H 133.4°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#81D431
RGB	rgb(129, 212, 49)
HSL	hsl(91, 65%, 51%)
HSV	hsv(91, 77%, 83%)
CMYK	cmyk(39.2%, 0%, 76.9%, 16.9%)
CIE-LAB	lab(77.27, -50.05, 67.12)
CIE-LCH	lch(77.27, 83.73, 126.71°)
OKLab	oklab(78.73% -0.1409 0.149)
OKLCH	oklch(78.73% 0.205 133.4)
XYZ	xyz(33.1506, 51.9742, 11.1904)
Luminance	0.5198 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D431 #8431D4

analogous

#D3D431 #81D431 #31D432

triadic

#81D431 #3181D4 #D43181

tetradic

#81D431 #31D3D4 #8431D4 #D43231

square

#81D431 #31D3D4 #8431D4 #D43231

split-complementary

#81D431 #3231D4 #D431D3

monochromatic

#447318 #63A523 #81D431 #A0DF64 #BFE996

Accessibility & contrast

On white

1.84

#81D431 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#81D431 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D431

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D431	#FFFFFF	#000000	##000000
##81D431	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC300

Deuteranopia (green-blind)

#D1BC43

Tritanopia (blue-blind)

#81CBB6

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #81d431;
/* rgb */ color: rgb(129, 212, 49);
/* oklch */ color: oklch(78.7% 0.205 133.4);

Tailwind

colors: {
  custom: {
    50: '#ace276',
    500: '#81d431',
    950: '#000000',
  },
}

SCSS

$custom: #81d431;
$custom-light: #ace276;
$custom-dark: #000000;

JSON

{
  "hex": "#81d431",
  "rgb": {
    "r": 129,
    "g": 212,
    "b": 49
  },
  "hsl": {
    "h": 90.552,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78726,
    "c": 0.20503,
    "h": 133.4
  },
  "luminance": 0.51976
}

Semantic roles & 50–950 ramp

primary

#81D431

secondary

#552E7B

accent

#3FE895

background

#FDFEFB

surface

#F8FCF1

border

#D1D5CB

text

#111509

muted

#81847D

Preview Lab

Preview with #81D431

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

Preview Lab → · Contrast checker → · Palette generator →