#81C031#81C031

#81C031 is a light, vivid yellow-green. Relative luminance 0.426; OKLCH L 73.8% C 0.181 H 130.8°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#81C031
RGB	rgb(129, 192, 49)
HSL	hsl(86, 59%, 47%)
HSV	hsv(86, 74%, 75%)
CMYK	cmyk(32.8%, 0%, 74.5%, 24.7%)
CIE-LAB	lab(71.27, -41.69, 61.38)
CIE-LCH	lch(71.27, 74.20, 124.18°)
OKLab	oklab(73.83% -0.1183 0.1369)
OKLCH	oklch(73.83% 0.181 130.8)
XYZ	xyz(28.4571, 42.5872, 9.6259)
Luminance	0.4259 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C031 #7031C0

analogous

#C0B831 #81C031 #39C031

triadic

#81C031 #3181C0 #C03181

tetradic

#81C031 #31C0B8 #7031C0 #C03139

square

#81C031 #31C0B8 #7031C0 #C03139

split-complementary

#81C031 #3139C0 #B831C0

monochromatic

#3F5E18 #608F25 #81C031 #9ED559 #BBE18A

Accessibility & contrast

On white

2.21

#81C031 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#81C031 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C031

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C031	#FFFFFF	#000000	##000000
##81C031	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B212

Deuteranopia (green-blind)

#C0AD3F

Tritanopia (blue-blind)

#84B8A5

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81c031;
/* rgb */ color: rgb(129, 192, 49);
/* oklch */ color: oklch(73.8% 0.181 130.8);

Tailwind

colors: {
  custom: {
    50: '#aad373',
    500: '#81c031',
    950: '#000000',
  },
}

SCSS

$custom: #81c031;
$custom-light: #aad373;
$custom-dark: #000000;

JSON

{
  "hex": "#81c031",
  "rgb": {
    "r": 129,
    "g": 192,
    "b": 49
  },
  "hsl": {
    "h": 86.434,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.73832,
    "c": 0.18093,
    "h": 130.8
  },
  "luminance": 0.42588
}

Semantic roles & 50–950 ramp

primary

#81C031

secondary

#A282CB

accent

#45E38B

background

#FAFDF7

surface

#F5FAED

border

#CFD3C8

text

#101409

muted

#7F837B

Preview Lab

Preview with #81C031

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

Preview Lab → · Contrast checker → · Palette generator →