#81C43A#81C43A

#81C43A is a light, vivid yellow-green. Relative luminance 0.445; OKLCH L 74.9% C 0.180 H 132.0°. Best body text is #000000 at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#81C43A
RGB	rgb(129, 196, 58)
HSL	hsl(89, 54%, 50%)
HSV	hsv(89, 70%, 77%)
CMYK	cmyk(34.2%, 0%, 70.4%, 23.1%)
CIE-LAB	lab(72.53, -42.84, 59.42)
CIE-LCH	lch(72.53, 73.25, 125.79°)
OKLab	oklab(74.87% -0.1207 0.1341)
OKLCH	oklch(74.87% 0.18 132)
XYZ	xyz(29.5566, 44.4513, 11.0248)
Luminance	0.4445 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C43A #7D3AC4

analogous

#C4C23A #81C43A #3CC43A

triadic

#81C43A #3A81C4 #C43A81

tetradic

#81C43A #3AC4C2 #7D3AC4 #C43A3C

square

#81C43A #3AC4C2 #7D3AC4 #C43A3C

split-complementary

#81C43A #3A3CC4 #C23AC4

monochromatic

#43661E #62952C #81C43A #9FD369 #BDE098

Accessibility & contrast

On white

2.12

#81C43A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.89

#81C43A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C43A

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C43A	#FFFFFF	#000000	##000000
##81C43A	1.00	2.12	9.89	9.89
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.89	21.00	1.00	1.00
##000000	9.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB523

Deuteranopia (green-blind)

#C3B046

Tritanopia (blue-blind)

#83BCA9

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #81c43a;
/* rgb */ color: rgb(129, 196, 58);
/* oklch */ color: oklch(74.9% 0.180 132.0);

Tailwind

colors: {
  custom: {
    50: '#aad678',
    500: '#81c43a',
    950: '#000000',
  },
}

SCSS

$custom: #81c43a;
$custom-light: #aad678;
$custom-dark: #000000;

JSON

{
  "hex": "#81c43a",
  "rgb": {
    "r": 129,
    "g": 196,
    "b": 58
  },
  "hsl": {
    "h": 89.13,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.74873,
    "c": 0.18048,
    "h": 132
  },
  "luminance": 0.44452
}

Semantic roles & 50–950 ramp

primary

#81C43A

secondary

#AC8ECC

accent

#4ADE92

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#101409

muted

#7F837B

Preview Lab

Preview with #81C43A

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

Preview Lab → · Contrast checker → · Palette generator →