#81CF4F#81CF4F

#81CF4F is a light, vivid yellow-green. Relative luminance 0.499; OKLCH L 77.7% C 0.180 H 135.2°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#81CF4F
RGB	rgb(129, 207, 79)
HSL	hsl(97, 57%, 56%)
HSV	hsv(97, 62%, 81%)
CMYK	cmyk(37.7%, 0%, 61.8%, 18.8%)
CIE-LAB	lab(75.98, -45.84, 54.63)
CIE-LCH	lch(75.98, 71.31, 130.00°)
OKLab	oklab(77.74% -0.1273 0.1267)
OKLCH	oklch(77.74% 0.18 135.2)
XYZ	xyz(32.7766, 49.8557, 15.2917)
Luminance	0.4986 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CF4F #9D4FCF

analogous

#C1CF4F #81CF4F #4FCF5D

triadic

#81CF4F #4F81CF #CF4F81

tetradic

#81CF4F #4FC1CF #9D4FCF #CF5D4F

square

#81CF4F #4FC1CF #9D4FCF #CF5D4F

split-complementary

#81CF4F #5D4FCF #CF4FC1

monochromatic

#488123 #62B130 #81CF4F #A3DC7F #C6E9AF

Accessibility & contrast

On white

1.91

#81CF4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#81CF4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CF4F

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CF4F	#FFFFFF	#000000	##000000
##81CF4F	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BF40

Deuteranopia (green-blind)

#CBB959

Tritanopia (blue-blind)

#7FC8B4

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #81cf4f;
/* rgb */ color: rgb(129, 207, 79);
/* oklch */ color: oklch(77.7% 0.180 135.2);

Tailwind

colors: {
  custom: {
    50: '#aade85',
    500: '#81cf4f',
    950: '#000000',
  },
}

SCSS

$custom: #81cf4f;
$custom-light: #aade85;
$custom-dark: #000000;

JSON

{
  "hex": "#81cf4f",
  "rgb": {
    "r": 129,
    "g": 207,
    "b": 79
  },
  "hsl": {
    "h": 96.563,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.77743,
    "c": 0.1796,
    "h": 135.2
  },
  "luminance": 0.49857
}

Semantic roles & 50–950 ramp

primary

#81CF4F

secondary

#C3A2D7

accent

#47E0A5

background

#FAFDF8

surface

#F4FBF0

border

#CED4CB

text

#10150B

muted

#7F837C

Preview Lab

Preview with #81CF4F

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

Preview Lab → · Contrast checker → · Palette generator →