#81BA31#81BA31

#81BA31 is a light, vivid yellow-green. Relative luminance 0.400; OKLCH L 72.4% C 0.174 H 129.8°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#81BA31
RGB	rgb(129, 186, 49)
HSL	hsl(85, 58%, 46%)
HSV	hsv(85, 74%, 73%)
CMYK	cmyk(30.6%, 0%, 73.7%, 27.1%)
CIE-LAB	lab(69.47, -39.06, 59.62)
CIE-LCH	lch(69.47, 71.28, 123.23°)
OKLab	oklab(72.37% -0.1112 0.1332)
OKLCH	oklch(72.37% 0.174 129.8)
XYZ	xyz(27.1664, 40.0059, 9.1957)
Luminance	0.4001 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BA31 #6A31BA

analogous

#BAAE31 #81BA31 #3CBA31

triadic

#81BA31 #3181BA #BA3181

tetradic

#81BA31 #31BAAE #6A31BA #BA313C

square

#81BA31 #31BAAE #6A31BA #BA313C

split-complementary

#81BA31 #313CBA #AE31BA

monochromatic

#3E5917 #5F8A24 #81BA31 #9FD256 #BADF86

Accessibility & contrast

On white

2.33

#81BA31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#81BA31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BA31

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BA31	#FFFFFF	#000000	##000000
##81BA31	1.00	2.33	9.00	9.00
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.00	21.00	1.00	1.00
##000000	9.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AC16

Deuteranopia (green-blind)

#BBA83E

Tritanopia (blue-blind)

#84B2A0

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #81ba31;
/* rgb */ color: rgb(129, 186, 49);
/* oklch */ color: oklch(72.4% 0.174 129.8);

Tailwind

colors: {
  custom: {
    50: '#aacf73',
    500: '#81ba31',
    950: '#000000',
  },
}

SCSS

$custom: #81ba31;
$custom-light: #aacf73;
$custom-dark: #000000;

JSON

{
  "hex": "#81ba31",
  "rgb": {
    "r": 129,
    "g": 186,
    "b": 49
  },
  "hsl": {
    "h": 84.964,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.72366,
    "c": 0.17351,
    "h": 129.8
  },
  "luminance": 0.40007
}

Semantic roles & 50–950 ramp

primary

#81BA31

secondary

#9D7EC9

accent

#46E287

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101409

muted

#7F827B

Preview Lab

Preview with #81BA31

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

Preview Lab → · Contrast checker → · Palette generator →