#81D340#81D340

#81D340 is a light, vivid yellow-green. Relative luminance 0.516; OKLCH L 78.6% C 0.195 H 134.2°. Best body text is #000000 at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#81D340
RGB	rgb(129, 211, 64)
HSL	hsl(93, 63%, 54%)
HSV	hsv(93, 70%, 83%)
CMYK	cmyk(38.9%, 0%, 69.7%, 17.3%)
CIE-LAB	lab(77.06, -48.72, 61.81)
CIE-LCH	lch(77.06, 78.70, 128.25°)
OKLab	oklab(78.58% -0.1363 0.14)
OKLCH	oklch(78.58% 0.195 134.2)
XYZ	xyz(33.2723, 51.6242, 13.0608)
Luminance	0.5163 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D340 #9240D3

analogous

#CBD340 #81D340 #40D349

triadic

#81D340 #4081D3 #D34081

tetradic

#81D340 #40CBD3 #9240D3 #D34940

square

#81D340 #40CBD3 #9240D3 #D34940

split-complementary

#81D340 #4940D3 #D340CB

monochromatic

#477C1D #63AE28 #81D340 #A2DE72 #C3EAA3

Accessibility & contrast

On white

1.85

#81D340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.33

#81D340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D340

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D340	#FFFFFF	#000000	##000000
##81D340	1.00	1.85	11.33	11.33
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.33	21.00	1.00	1.00
##000000	11.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC229

Deuteranopia (green-blind)

#D0BC4D

Tritanopia (blue-blind)

#80CBB6

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #81d340;
/* rgb */ color: rgb(129, 211, 64);
/* oklch */ color: oklch(78.6% 0.195 134.2);

Tailwind

colors: {
  custom: {
    50: '#abe17d',
    500: '#81d340',
    950: '#000000',
  },
}

SCSS

$custom: #81d340;
$custom-light: #abe17d;
$custom-dark: #000000;

JSON

{
  "hex": "#81d340",
  "rgb": {
    "r": 129,
    "g": 211,
    "b": 64
  },
  "hsl": {
    "h": 93.469,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78583,
    "c": 0.19533,
    "h": 134.2
  },
  "luminance": 0.51626
}

Semantic roles & 50–950 ramp

primary

#81D340

secondary

#603384

accent

#42E69D

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D340

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

Preview Lab → · Contrast checker → · Palette generator →