#81CC3B#81CC3B

#81CC3B is a light, vivid yellow-green. Relative luminance 0.482; OKLCH L 76.8% C 0.190 H 133.1°. Best body text is #000000 at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#81CC3B
RGB	rgb(129, 204, 59)
HSL	hsl(91, 59%, 52%)
HSV	hsv(91, 71%, 80%)
CMYK	cmyk(36.8%, 0%, 71.1%, 20%)
CIE-LAB	lab(74.93, -46.16, 61.48)
CIE-LCH	lch(74.93, 76.88, 126.90°)
OKLab	oklab(76.83% -0.1297 0.1386)
OKLCH	oklch(76.83% 0.19 133.1)
XYZ	xyz(31.4351, 48.1672, 11.7777)
Luminance	0.4817 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CC3B #863BCC

analogous

#CACC3B #81CC3B #3BCC3E

triadic

#81CC3B #3B81CC #CC3B81

tetradic

#81CC3B #3BCACC #863BCC #CC3E3B

square

#81CC3B #3BCACC #863BCC #CC3E3B

split-complementary

#81CC3B #3E3BCC #CC3BCA

monochromatic

#45701D #63A02A #81CC3B #A0D96C #BFE59C

Accessibility & contrast

On white

1.97

#81CC3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.63

#81CC3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CC3B

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CC3B	#FFFFFF	#000000	##000000
##81CC3B	1.00	1.97	10.63	10.63
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.63	21.00	1.00	1.00
##000000	10.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC22

Deuteranopia (green-blind)

#CAB648

Tritanopia (blue-blind)

#82C4B0

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81cc3b;
/* rgb */ color: rgb(129, 204, 59);
/* oklch */ color: oklch(76.8% 0.190 133.1);

Tailwind

colors: {
  custom: {
    50: '#abdc7a',
    500: '#81cc3b',
    950: '#000000',
  },
}

SCSS

$custom: #81cc3b;
$custom-light: #abdc7a;
$custom-dark: #000000;

JSON

{
  "hex": "#81cc3b",
  "rgb": {
    "r": 129,
    "g": 204,
    "b": 59
  },
  "hsl": {
    "h": 91.034,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.76835,
    "c": 0.18981,
    "h": 133.1
  },
  "luminance": 0.48169
}

Semantic roles & 50–950 ramp

primary

#81CC3B

secondary

#B392D1

accent

#46E297

background

#FAFDF7

surface

#F5FBEE

border

#CFD4C9

text

#11150A

muted

#80837C

Preview Lab

Preview with #81CC3B

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

Preview Lab → · Contrast checker → · Palette generator →