#81AD31#81AD31

#81AD31 is a light, vivid yellow-green. Relative luminance 0.348; OKLCH L 69.2% C 0.157 H 127.2°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#81AD31
RGB	rgb(129, 173, 49)
HSL	hsl(81, 56%, 44%)
HSV	hsv(81, 72%, 68%)
CMYK	cmyk(25.4%, 0%, 71.7%, 32.2%)
CIE-LAB	lab(65.57, -33.18, 55.76)
CIE-LCH	lch(65.57, 64.89, 120.75°)
OKLab	oklab(69.2% -0.0951 0.1252)
OKLCH	oklch(69.2% 0.157 127.2)
XYZ	xyz(24.5513, 34.7755, 8.3240)
Luminance	0.3478 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AD31 #5D31AD

analogous

#AD9B31 #81AD31 #43AD31

triadic

#81AD31 #3181AD #AD3181

tetradic

#81AD31 #31AD9B #5D31AD #AD3143

square

#81AD31 #31AD9B #5D31AD #AD3143

split-complementary

#81AD31 #3143AD #9B31AD

monochromatic

#3A4E16 #5D7D23 #81AD31 #A0CD4E #BADA7E

Accessibility & contrast

On white

2.64

#81AD31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#81AD31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AD31

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AD31	#FFFFFF	#000000	##000000
##81AD31	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A11C

Deuteranopia (green-blind)

#B09E3C

Tritanopia (blue-blind)

#86A595

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #81ad31;
/* rgb */ color: rgb(129, 173, 49);
/* oklch */ color: oklch(69.2% 0.157 127.2);

Tailwind

colors: {
  custom: {
    50: '#a9c571',
    500: '#81ad31',
    950: '#000000',
  },
}

SCSS

$custom: #81ad31;
$custom-light: #a9c571;
$custom-dark: #000000;

JSON

{
  "hex": "#81ad31",
  "rgb": {
    "r": 129,
    "g": 173,
    "b": 49
  },
  "hsl": {
    "h": 81.29,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.69196,
    "c": 0.15719,
    "h": 127.2
  },
  "luminance": 0.34776
}

Semantic roles & 50–950 ramp

primary

#81AD31

secondary

#9277C3

accent

#49DF7E

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101308

muted

#7F827B

Preview Lab

Preview with #81AD31

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

Preview Lab → · Contrast checker → · Palette generator →