#81CF30#81CF30

#81CF30 is a light, vivid yellow-green. Relative luminance 0.495; OKLCH L 77.5% C 0.200 H 132.8°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#81CF30
RGB	rgb(129, 207, 48)
HSL	hsl(89, 62%, 50%)
HSV	hsv(89, 77%, 81%)
CMYK	cmyk(37.7%, 0%, 76.8%, 18.8%)
CIE-LAB	lab(75.76, -48.07, 66.01)
CIE-LCH	lch(75.76, 81.65, 126.06°)
OKLab	oklab(77.5% -0.1356 0.1465)
OKLCH	oklch(77.5% 0.2 132.8)
XYZ	xyz(31.8991, 49.5047, 10.6703)
Luminance	0.4951 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CF30 #7E30CF

analogous

#CFCE30 #81CF30 #31CF30

triadic

#81CF30 #3081CF #CF3081

tetradic

#81CF30 #30CFCE #7E30CF #CF3031

square

#81CF30 #30CFCE #7E30CF #CF3031

split-complementary

#81CF30 #3031CF #CE30CF

monochromatic

#436C19 #629D24 #81CF30 #9FDB62 #BDE693

Accessibility & contrast

On white

1.93

#81CF30 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.90

#81CF30 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CF30

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CF30	#FFFFFF	#000000	##000000
##81CF30	1.00	1.93	10.90	10.90
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.90	21.00	1.00	1.00
##000000	10.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BF01

Deuteranopia (green-blind)

#CDB941

Tritanopia (blue-blind)

#82C7B1

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #81cf30;
/* rgb */ color: rgb(129, 207, 48);
/* oklch */ color: oklch(77.5% 0.200 132.8);

Tailwind

colors: {
  custom: {
    50: '#acde75',
    500: '#81cf30',
    950: '#000000',
  },
}

SCSS

$custom: #81cf30;
$custom-light: #acde75;
$custom-dark: #000000;

JSON

{
  "hex": "#81cf30",
  "rgb": {
    "r": 129,
    "g": 207,
    "b": 48
  },
  "hsl": {
    "h": 89.434,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.77497,
    "c": 0.19961,
    "h": 132.8
  },
  "luminance": 0.49506
}

Semantic roles & 50–950 ramp

primary

#81CF30

secondary

#AD8AD1

accent

#42E592

background

#FBFDF7

surface

#F6FBED

border

#D0D4C8

text

#111509

muted

#80837B

Preview Lab

Preview with #81CF30

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

Preview Lab → · Contrast checker → · Palette generator →