#81B629#81B629

#81B629 is a light, vivid yellow-green. Relative luminance 0.383; OKLCH L 71.3% C 0.173 H 128.7°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#81B629
RGB	rgb(129, 182, 41)
HSL	hsl(83, 63%, 44%)
HSV	hsv(83, 77%, 71%)
CMYK	cmyk(29.1%, 0%, 77.5%, 28.6%)
CIE-LAB	lab(68.23, -37.72, 61.08)
CIE-LCH	lch(68.23, 71.79, 121.70°)
OKLab	oklab(71.34% -0.1081 0.1351)
OKLCH	oklch(71.34% 0.173 128.7)
XYZ	xyz(26.1814, 38.2824, 8.1072)
Luminance	0.3828 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B629 #5E29B6

analogous

#B6A429 #81B629 #3AB629

triadic

#81B629 #2981B6 #B62981

tetradic

#81B629 #29B6A4 #5E29B6 #B6293A

square

#81B629 #29B6A4 #5E29B6 #B6293A

split-complementary

#81B629 #293AB6 #A429B6

monochromatic

#3A5212 #5E841E #81B629 #A0D547 #BAE179

Accessibility & contrast

On white

2.43

#81B629 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#81B629 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B629

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B629	#FFFFFF	#000000	##000000
##81B629	1.00	2.43	8.66	8.66
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.66	21.00	1.00	1.00
##000000	8.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA900

Deuteranopia (green-blind)

#B8A538

Tritanopia (blue-blind)

#85AE9C

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #81b629;
/* rgb */ color: rgb(129, 182, 41);
/* oklch */ color: oklch(71.3% 0.173 128.7);

Tailwind

colors: {
  custom: {
    50: '#aacc6e',
    500: '#81b629',
    950: '#000000',
  },
}

SCSS

$custom: #81b629;
$custom-light: #aacc6e;
$custom-dark: #000000;

JSON

{
  "hex": "#81b629",
  "rgb": {
    "r": 129,
    "g": 182,
    "b": 41
  },
  "hsl": {
    "h": 82.553,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.71338,
    "c": 0.17299,
    "h": 128.7
  },
  "luminance": 0.38283
}

Semantic roles & 50–950 ramp

primary

#81B629

secondary

#9372C9

accent

#42E67F

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101308

muted

#7F827B

Preview Lab

Preview with #81B629

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

Preview Lab → · Contrast checker → · Palette generator →