#81D83B#81D83B

#81D83B is a light, highly saturated yellow-green. Relative luminance 0.541; OKLCH L 79.8% C 0.204 H 134.4°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#81D83B
RGB	rgb(129, 216, 59)
HSL	hsl(93, 67%, 54%)
HSV	hsv(93, 73%, 85%)
CMYK	cmyk(40.3%, 0%, 72.7%, 15.3%)
CIE-LAB	lab(78.52, -51.08, 65.07)
CIE-LCH	lch(78.52, 82.73, 128.13°)
OKLab	oklab(79.77% -0.143 0.1461)
OKLCH	oklch(79.77% 0.204 134.4)
XYZ	xyz(34.3979, 54.0928, 12.7653)
Luminance	0.5410 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D83B #923BD8

analogous

#D0D83B #81D83B #3BD844

triadic

#81D83B #3B81D8 #D83B81

tetradic

#81D83B #3BD0D8 #923BD8 #D8443B

square

#81D83B #3BD0D8 #923BD8 #D8443B

split-complementary

#81D83B #443BD8 #D83BD0

monochromatic

#477F19 #63B223 #81D83B #A2E26E #C3ECA1

Accessibility & contrast

On white

1.78

#81D83B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#81D83B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D83B

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D83B	#FFFFFF	#000000	##000000
##81D83B	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C71D

Deuteranopia (green-blind)

#D4C04A

Tritanopia (blue-blind)

#80D0BA

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #81d83b;
/* rgb */ color: rgb(129, 216, 59);
/* oklch */ color: oklch(79.8% 0.204 134.4);

Tailwind

colors: {
  custom: {
    50: '#ace47b',
    500: '#81d83b',
    950: '#000000',
  },
}

SCSS

$custom: #81d83b;
$custom-light: #ace47b;
$custom-dark: #000000;

JSON

{
  "hex": "#81d83b",
  "rgb": {
    "r": 129,
    "g": 216,
    "b": 59
  },
  "hsl": {
    "h": 93.248,
    "s": 66.809,
    "l": 53.922
  },
  "oklch": {
    "l": 0.79768,
    "c": 0.20445,
    "h": 134.4
  },
  "luminance": 0.54095
}

Semantic roles & 50–950 ramp

primary

#81D83B

secondary

#603186

accent

#3EEA9D

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11160A

muted

#81847D

Preview Lab

Preview with #81D83B

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

Preview Lab → · Contrast checker → · Palette generator →