#81B025#81B025

#81B025 is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 69.8% C 0.168 H 127.3°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#81B025
RGB	rgb(129, 176, 37)
HSL	hsl(80, 65%, 42%)
HSV	hsv(80, 79%, 69%)
CMYK	cmyk(26.7%, 0%, 79%, 31%)
CIE-LAB	lab(66.41, -35.21, 60.62)
CIE-LCH	lch(66.41, 70.10, 120.15°)
OKLab	oklab(69.85% -0.1016 0.1334)
OKLCH	oklch(69.85% 0.168 127.3)
XYZ	xyz(24.9126, 35.8508, 7.3573)
Luminance	0.3585 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B025 #5425B0

analogous

#B09A25 #81B025 #3CB025

triadic

#81B025 #2581B0 #B02581

tetradic

#81B025 #25B09A #5425B0 #B0253C

square

#81B025 #25B09A #5425B0 #B0253C

split-complementary

#81B025 #253CB0 #9A25B0

monochromatic

#374B10 #5C7D1A #81B025 #A2D63C #BAE16F

Accessibility & contrast

On white

2.57

#81B025 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#81B025 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B025

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B025	#FFFFFF	#000000	##000000
##81B025	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#B3A134

Tritanopia (blue-blind)

#86A896

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #81b025;
/* rgb */ color: rgb(129, 176, 37);
/* oklch */ color: oklch(69.8% 0.168 127.3);

Tailwind

colors: {
  custom: {
    50: '#aac76c',
    500: '#81b025',
    950: '#000000',
  },
}

SCSS

$custom: #81b025;
$custom-light: #aac76c;
$custom-dark: #000000;

JSON

{
  "hex": "#81b025",
  "rgb": {
    "r": 129,
    "g": 176,
    "b": 37
  },
  "hsl": {
    "h": 80.288,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.6985,
    "c": 0.1677,
    "h": 127.3
  },
  "luminance": 0.35851
}

Semantic roles & 50–950 ramp

primary

#81B025

secondary

#896AC7

accent

#40E879

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101307

muted

#7F827A

Preview Lab

Preview with #81B025

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

Preview Lab → · Contrast checker → · Palette generator →