#81C138#81C138

#81C138 is a light, vivid yellow-green. Relative luminance 0.431; OKLCH L 74.1% C 0.178 H 131.4°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#81C138
RGB	rgb(129, 193, 56)
HSL	hsl(88, 55%, 49%)
HSV	hsv(88, 71%, 76%)
CMYK	cmyk(33.2%, 0%, 71%, 24.3%)
CIE-LAB	lab(71.62, -41.69, 59.24)
CIE-LCH	lch(71.62, 72.43, 125.13°)
OKLab	oklab(74.13% -0.1177 0.1335)
OKLCH	oklch(74.13% 0.178 131.4)
XYZ	xyz(28.8368, 43.0915, 10.5388)
Luminance	0.4309 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C138 #7838C1

analogous

#C1BD38 #81C138 #3DC138

triadic

#81C138 #3881C1 #C13881

tetradic

#81C138 #38C1BD #7838C1 #C1383D

square

#81C138 #38C1BD #7838C1 #C1383D

split-complementary

#81C138 #383DC1 #BD38C1

monochromatic

#42621C #61922A #81C138 #9FD264 #BCE094

Accessibility & contrast

On white

2.18

#81C138 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.62

#81C138 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C138

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C138	#FFFFFF	#000000	##000000
##81C138	1.00	2.18	9.62	9.62
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.62	21.00	1.00	1.00
##000000	9.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B321

Deuteranopia (green-blind)

#C1AE44

Tritanopia (blue-blind)

#83B9A6

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #81c138;
/* rgb */ color: rgb(129, 193, 56);
/* oklch */ color: oklch(74.1% 0.178 131.4);

Tailwind

colors: {
  custom: {
    50: '#aad477',
    500: '#81c138',
    950: '#000000',
  },
}

SCSS

$custom: #81c138;
$custom-light: #aad477;
$custom-dark: #000000;

JSON

{
  "hex": "#81c138",
  "rgb": {
    "r": 129,
    "g": 193,
    "b": 56
  },
  "hsl": {
    "h": 88.029,
    "s": 55.02,
    "l": 48.824
  },
  "oklch": {
    "l": 0.74126,
    "c": 0.17799,
    "h": 131.4
  },
  "luminance": 0.43093
}

Semantic roles & 50–950 ramp

primary

#81C138

secondary

#A88ACB

accent

#49DE8F

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#101409

muted

#7F837B

Preview Lab

Preview with #81C138

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

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