#81CF3F#81CF3F

#81CF3F is a light, vivid yellow-green. Relative luminance 0.497; OKLCH L 77.6% C 0.191 H 133.7°. Best body text is #000000 at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#81CF3F
RGB	rgb(129, 207, 63)
HSL	hsl(93, 60%, 53%)
HSV	hsv(93, 70%, 81%)
CMYK	cmyk(37.7%, 0%, 69.6%, 18.8%)
CIE-LAB	lab(75.85, -47.14, 60.95)
CIE-LCH	lch(75.85, 77.05, 127.72°)
OKLab	oklab(77.6% -0.132 0.138)
OKLCH	oklch(77.6% 0.191 133.7)
XYZ	xyz(32.2627, 49.6501, 12.5852)
Luminance	0.4965 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CF3F #8D3FCF

analogous

#C9CF3F #81CF3F #3FCF45

triadic

#81CF3F #3F81CF #CF3F81

tetradic

#81CF3F #3FC9CF #8D3FCF #CF453F

square

#81CF3F #3FC9CF #8D3FCF #CF453F

split-complementary

#81CF3F #453FCF #CF3FC9

monochromatic

#46761E #63A72A #81CF3F #A1DB70 #C1E7A1

Accessibility & contrast

On white

1.92

#81CF3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.93

#81CF3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CF3F

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CF3F	#FFFFFF	#000000	##000000
##81CF3F	1.00	1.92	10.93	10.93
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.93	21.00	1.00	1.00
##000000	10.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF28

Deuteranopia (green-blind)

#CCB94C

Tritanopia (blue-blind)

#81C7B2

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #81cf3f;
/* rgb */ color: rgb(129, 207, 63);
/* oklch */ color: oklch(77.6% 0.191 133.7);

Tailwind

colors: {
  custom: {
    50: '#abde7c',
    500: '#81cf3f',
    950: '#000000',
  },
}

SCSS

$custom: #81cf3f;
$custom-light: #abde7c;
$custom-dark: #000000;

JSON

{
  "hex": "#81cf3f",
  "rgb": {
    "r": 129,
    "g": 207,
    "b": 63
  },
  "hsl": {
    "h": 92.5,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.77599,
    "c": 0.19101,
    "h": 133.7
  },
  "luminance": 0.49652
}

Semantic roles & 50–950 ramp

primary

#81CF3F

secondary

#B796D4

accent

#45E39B

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#11150A

muted

#80837C

Preview Lab

Preview with #81CF3F

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

Preview Lab → · Contrast checker → · Palette generator →