#81B438#81B438

#81B438 is a light, vivid yellow-green. Relative luminance 0.376; OKLCH L 71.0% C 0.161 H 129.2°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#81B438
RGB	rgb(129, 180, 56)
HSL	hsl(85, 53%, 46%)
HSV	hsv(85, 69%, 71%)
CMYK	cmyk(28.3%, 0%, 68.9%, 29.4%)
CIE-LAB	lab(67.72, -35.92, 55.26)
CIE-LCH	lch(67.72, 65.91, 123.03°)
OKLab	oklab(70.96% -0.102 0.1251)
OKLCH	oklch(70.96% 0.161 129.2)
XYZ	xyz(26.0882, 37.5945, 9.6226)
Luminance	0.3760 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B438 #6B38B4

analogous

#B4A938 #81B438 #43B438

triadic

#81B438 #3881B4 #B43881

tetradic

#81B438 #38B4A9 #6B38B4 #B43843

square

#81B438 #38B4A9 #6B38B4 #B43843

split-complementary

#81B438 #3843B4 #A938B4

monochromatic

#3E571B #608529 #81B438 #9FCD5D #BADB8B

Accessibility & contrast

On white

2.47

#81B438 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#81B438 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B438

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B438	#FFFFFF	#000000	##000000
##81B438	1.00	2.47	8.52	8.52
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA725

Deuteranopia (green-blind)

#B5A443

Tritanopia (blue-blind)

#85AC9B

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #81b438;
/* rgb */ color: rgb(129, 180, 56);
/* oklch */ color: oklch(71.0% 0.161 129.2);

Tailwind

colors: {
  custom: {
    50: '#a9ca76',
    500: '#81b438',
    950: '#000000',
  },
}

SCSS

$custom: #81b438;
$custom-light: #a9ca76;
$custom-dark: #000000;

JSON

{
  "hex": "#81b438",
  "rgb": {
    "r": 129,
    "g": 180,
    "b": 56
  },
  "hsl": {
    "h": 84.677,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.70955,
    "c": 0.16145,
    "h": 129.2
  },
  "luminance": 0.37595
}

Semantic roles & 50–950 ramp

primary

#81B438

secondary

#9E82C5

accent

#4CDC87

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #81B438

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

Preview Lab → · Contrast checker → · Palette generator →