#81B027#81B027

#81B027 is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 69.9% C 0.167 H 127.4°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#81B027
RGB	rgb(129, 176, 39)
HSL	hsl(81, 64%, 42%)
HSV	hsv(81, 78%, 69%)
CMYK	cmyk(26.7%, 0%, 77.8%, 31%)
CIE-LAB	lab(66.42, -35.12, 60.01)
CIE-LCH	lch(66.42, 69.53, 120.33°)
OKLab	oklab(69.86% -0.1012 0.1325)
OKLCH	oklch(69.86% 0.167 127.4)
XYZ	xyz(24.9449, 35.8638, 7.5272)
Luminance	0.3586 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B027 #5627B0

analogous

#B09B27 #81B027 #3DB027

triadic

#81B027 #2781B0 #B02781

tetradic

#81B027 #27B09B #5627B0 #B0273D

square

#81B027 #27B09B #5627B0 #B0273D

split-complementary

#81B027 #273DB0 #9B27B0

monochromatic

#384C11 #5C7E1C #81B027 #A1D540 #BAE072

Accessibility & contrast

On white

2.57

#81B027 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#81B027 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B027

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B027	#FFFFFF	#000000	##000000
##81B027	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)

#B3A135

Tritanopia (blue-blind)

#86A897

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #81b027;
/* rgb */ color: rgb(129, 176, 39);
/* oklch */ color: oklch(69.9% 0.167 127.4);

Tailwind

colors: {
  custom: {
    50: '#aac76d',
    500: '#81b027',
    950: '#000000',
  },
}

SCSS

$custom: #81b027;
$custom-light: #aac76d;
$custom-dark: #000000;

JSON

{
  "hex": "#81b027",
  "rgb": {
    "r": 129,
    "g": 176,
    "b": 39
  },
  "hsl": {
    "h": 80.584,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.69861,
    "c": 0.16671,
    "h": 127.4
  },
  "luminance": 0.35864
}

Semantic roles & 50–950 ramp

primary

#81B027

secondary

#8B6CC7

accent

#41E77A

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101308

muted

#7F827B

Preview Lab

Preview with #81B027

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

Preview Lab → · Contrast checker → · Palette generator →