#81AE31#81AE31

#81AE31 is a light, vivid yellow-green. Relative luminance 0.352; OKLCH L 69.4% C 0.158 H 127.5°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#81AE31
RGB	rgb(129, 174, 49)
HSL	hsl(82, 56%, 44%)
HSV	hsv(82, 72%, 68%)
CMYK	cmyk(25.9%, 0%, 71.8%, 31.8%)
CIE-LAB	lab(65.87, -33.64, 56.06)
CIE-LCH	lch(65.87, 65.38, 120.97°)
OKLab	oklab(69.44% -0.0964 0.1258)
OKLCH	oklch(69.44% 0.158 127.5)
XYZ	xyz(24.7437, 35.1605, 8.3882)
Luminance	0.3516 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AE31 #5E31AE

analogous

#AE9C31 #81AE31 #42AE31

triadic

#81AE31 #3181AE #AE3181

tetradic

#81AE31 #31AE9C #5E31AE #AE3142

square

#81AE31 #31AE9C #5E31AE #AE3142

split-complementary

#81AE31 #3142AE #9C31AE

monochromatic

#3A4E16 #5E7E24 #81AE31 #A0CD4F #BADB7F

Accessibility & contrast

On white

2.61

#81AE31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#81AE31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AE31

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AE31	#FFFFFF	#000000	##000000
##81AE31	1.00	2.61	8.03	8.03
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A21B

Deuteranopia (green-blind)

#B19F3C

Tritanopia (blue-blind)

#86A696

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #81ae31;
/* rgb */ color: rgb(129, 174, 49);
/* oklch */ color: oklch(69.4% 0.158 127.5);

Tailwind

colors: {
  custom: {
    50: '#a9c671',
    500: '#81ae31',
    950: '#000000',
  },
}

SCSS

$custom: #81ae31;
$custom-light: #a9c671;
$custom-dark: #000000;

JSON

{
  "hex": "#81ae31",
  "rgb": {
    "r": 129,
    "g": 174,
    "b": 49
  },
  "hsl": {
    "h": 81.6,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.69439,
    "c": 0.15845,
    "h": 127.5
  },
  "luminance": 0.35161
}

Semantic roles & 50–950 ramp

primary

#81AE31

secondary

#9377C4

accent

#48DF7F

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101308

muted

#7F827B

Preview Lab

Preview with #81AE31

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

Preview Lab → · Contrast checker → · Palette generator →