#81AD28#81AD28

#81AD28 is a light, vivid yellow-green. Relative luminance 0.347; OKLCH L 69.1% C 0.163 H 126.7°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#81AD28
RGB	rgb(129, 173, 40)
HSL	hsl(80, 62%, 42%)
HSV	hsv(80, 77%, 68%)
CMYK	cmyk(25.4%, 0%, 76.9%, 32.2%)
CIE-LAB	lab(65.52, -33.69, 58.85)
CIE-LCH	lch(65.52, 67.81, 119.79°)
OKLab	oklab(69.14% -0.0972 0.1302)
OKLCH	oklch(69.14% 0.163 126.7)
XYZ	xyz(24.3799, 34.7070, 7.4217)
Luminance	0.3471 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AD28 #5428AD

analogous

#AD9728 #81AD28 #3EAD28

triadic

#81AD28 #2881AD #AD2881

tetradic

#81AD28 #28AD97 #5428AD #AD283E

square

#81AD28 #28AD97 #5428AD #AD283E

split-complementary

#81AD28 #283EAD #9728AD

monochromatic

#374A11 #5C7B1D #81AD28 #A2D33F #BADE71

Accessibility & contrast

On white

2.64

#81AD28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#81AD28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AD28

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AD28	#FFFFFF	#000000	##000000
##81AD28	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A104

Deuteranopia (green-blind)

#B09E35

Tritanopia (blue-blind)

#86A594

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #81ad28;
/* rgb */ color: rgb(129, 173, 40);
/* oklch */ color: oklch(69.1% 0.163 126.7);

Tailwind

colors: {
  custom: {
    50: '#aac56d',
    500: '#81ad28',
    950: '#000000',
  },
}

SCSS

$custom: #81ad28;
$custom-light: #aac56d;
$custom-dark: #000000;

JSON

{
  "hex": "#81ad28",
  "rgb": {
    "r": 129,
    "g": 173,
    "b": 40
  },
  "hsl": {
    "h": 79.85,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.69136,
    "c": 0.16251,
    "h": 126.7
  },
  "luminance": 0.34707
}

Semantic roles & 50–950 ramp

primary

#81AD28

secondary

#896CC5

accent

#42E678

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101308

muted

#7F827B

Preview Lab

Preview with #81AD28

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

Preview Lab → · Contrast checker → · Palette generator →