#81BB3E#81BB3E

#81BB3E is a light, vivid yellow-green. Relative luminance 0.406; OKLCH L 72.7% C 0.166 H 130.9°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#81BB3E
RGB	rgb(129, 187, 62)
HSL	hsl(88, 50%, 49%)
HSV	hsv(88, 67%, 73%)
CMYK	cmyk(31%, 0%, 66.8%, 26.7%)
CIE-LAB	lab(69.86, -38.63, 55.10)
CIE-LCH	lch(69.86, 67.29, 125.03°)
OKLab	oklab(72.71% -0.1089 0.1256)
OKLCH	oklch(72.71% 0.166 130.9)
XYZ	xyz(27.6928, 40.5547, 10.9253)
Luminance	0.4056 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BB3E #783EBB

analogous

#BBB73E #81BB3E #43BB3E

triadic

#81BB3E #3E81BB #BB3E81

tetradic

#81BB3E #3EBBB7 #783EBB #BB3E43

square

#81BB3E #3EBBB7 #783EBB #BB3E43

split-complementary

#81BB3E #3E43BB #B73EBB

monochromatic

#425F20 #618D2F #81BB3E #9FCD69 #BCDC97

Accessibility & contrast

On white

2.30

#81BB3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#81BB3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BB3E

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BB3E	#FFFFFF	#000000	##000000
##81BB3E	1.00	2.30	9.11	9.11
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AE2D

Deuteranopia (green-blind)

#BBA948

Tritanopia (blue-blind)

#84B3A2

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #81bb3e;
/* rgb */ color: rgb(129, 187, 62);
/* oklch */ color: oklch(72.7% 0.166 130.9);

Tailwind

colors: {
  custom: {
    50: '#a9d07a',
    500: '#81bb3e',
    950: '#000000',
  },
}

SCSS

$custom: #81bb3e;
$custom-light: #a9d07a;
$custom-dark: #000000;

JSON

{
  "hex": "#81bb3e",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 62
  },
  "hsl": {
    "h": 87.84,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.72711,
    "c": 0.16627,
    "h": 130.9
  },
  "luminance": 0.40556
}

Semantic roles & 50–950 ramp

primary

#81BB3E

secondary

#A88DC8

accent

#4EDA8F

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#10140A

muted

#7F827C

Preview Lab

Preview with #81BB3E

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

Preview Lab → · Contrast checker → · Palette generator →