#81D23B#81D23B

#81D23B is a light, vivid yellow-green. Relative luminance 0.511; OKLCH L 78.3% C 0.197 H 133.8°. Best body text is #000000 at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#81D23B
RGB	rgb(129, 210, 59)
HSL	hsl(92, 63%, 53%)
HSV	hsv(92, 72%, 82%)
CMYK	cmyk(38.6%, 0%, 71.9%, 17.6%)
CIE-LAB	lab(76.72, -48.65, 63.29)
CIE-LCH	lch(76.72, 79.82, 127.55°)
OKLab	oklab(78.3% -0.1364 0.1424)
OKLCH	oklch(78.3% 0.197 133.8)
XYZ	xyz(32.8887, 51.0745, 12.2623)
Luminance	0.5108 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D23B #8C3BD2

analogous

#CDD23B #81D23B #3BD240

triadic

#81D23B #3B81D2 #D23B81

tetradic

#81D23B #3BCDD2 #8C3BD2 #D2403B

square

#81D23B #3BCDD2 #8C3BD2 #D2403B

split-complementary

#81D23B #403BD2 #D23BCD

monochromatic

#46771B #63A927 #81D23B #A1DD6D #C1E99F

Accessibility & contrast

On white

1.87

#81D23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.22

#81D23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D23B

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D23B	#FFFFFF	#000000	##000000
##81D23B	1.00	1.87	11.22	11.22
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.22	21.00	1.00	1.00
##000000	11.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC120

Deuteranopia (green-blind)

#CFBB49

Tritanopia (blue-blind)

#81CAB5

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #81d23b;
/* rgb */ color: rgb(129, 210, 59);
/* oklch */ color: oklch(78.3% 0.197 133.8);

Tailwind

colors: {
  custom: {
    50: '#abe07a',
    500: '#81d23b',
    950: '#000000',
  },
}

SCSS

$custom: #81d23b;
$custom-light: #abe07a;
$custom-dark: #000000;

JSON

{
  "hex": "#81d23b",
  "rgb": {
    "r": 129,
    "g": 210,
    "b": 59
  },
  "hsl": {
    "h": 92.185,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.78302,
    "c": 0.19719,
    "h": 133.8
  },
  "luminance": 0.51076
}

Semantic roles & 50–950 ramp

primary

#81D23B

secondary

#5B327F

accent

#42E69A

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D23B

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

Preview Lab → · Contrast checker → · Palette generator →