#81D33B#81D33B

#81D33B is a light, vivid yellow-green. Relative luminance 0.516; OKLCH L 78.5% C 0.198 H 133.9°. Best body text is #000000 at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#81D33B
RGB	rgb(129, 211, 59)
HSL	hsl(92, 63%, 53%)
HSV	hsv(92, 72%, 83%)
CMYK	cmyk(38.9%, 0%, 72%, 17.3%)
CIE-LAB	lab(77.02, -49.06, 63.59)
CIE-LCH	lch(77.02, 80.31, 127.65°)
OKLab	oklab(78.55% -0.1375 0.143)
OKLCH	oklch(78.55% 0.198 133.9)
XYZ	xyz(33.1364, 51.5698, 12.3448)
Luminance	0.5157 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D33B #8D3BD3

analogous

#CDD33B #81D33B #3BD341

triadic

#81D33B #3B81D3 #D33B81

tetradic

#81D33B #3BCDD3 #8D3BD3 #D3413B

square

#81D33B #3BCDD3 #8D3BD3 #D3413B

split-complementary

#81D33B #413BD3 #D33BCD

monochromatic

#46791B #63AB26 #81D33B #A1DE6D #C1E99F

Accessibility & contrast

On white

1.86

#81D33B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.31

#81D33B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D33B

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D33B	#FFFFFF	#000000	##000000
##81D33B	1.00	1.86	11.31	11.31
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.31	21.00	1.00	1.00
##000000	11.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC21F

Deuteranopia (green-blind)

#D0BC4A

Tritanopia (blue-blind)

#81CBB5

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #81d33b;
/* rgb */ color: rgb(129, 211, 59);
/* oklch */ color: oklch(78.5% 0.198 133.9);

Tailwind

colors: {
  custom: {
    50: '#ace17a',
    500: '#81d33b',
    950: '#000000',
  },
}

SCSS

$custom: #81d33b;
$custom-light: #ace17a;
$custom-dark: #000000;

JSON

{
  "hex": "#81d33b",
  "rgb": {
    "r": 129,
    "g": 211,
    "b": 59
  },
  "hsl": {
    "h": 92.368,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.78546,
    "c": 0.1984,
    "h": 133.9
  },
  "luminance": 0.51571
}

Semantic roles & 50–950 ramp

primary

#81D33B

secondary

#5C3281

accent

#41E69A

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D33B

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

Preview Lab → · Contrast checker → · Palette generator →