#81CF4B#81CF4B

#81CF4B is a light, vivid yellow-green. Relative luminance 0.498; OKLCH L 77.7% C 0.183 H 134.7°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#81CF4B
RGB	rgb(129, 207, 75)
HSL	hsl(95, 58%, 55%)
HSV	hsv(95, 64%, 81%)
CMYK	cmyk(37.7%, 0%, 63.8%, 18.8%)
CIE-LAB	lab(75.95, -46.20, 56.28)
CIE-LCH	lch(75.95, 72.81, 129.38°)
OKLab	oklab(77.7% -0.1286 0.1297)
OKLCH	oklch(77.7% 0.183 134.7)
XYZ	xyz(32.6354, 49.7992, 14.5479)
Luminance	0.4980 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CF4B #994BCF

analogous

#C3CF4B #81CF4B #4BCF57

triadic

#81CF4B #4B81CF #CF4B81

tetradic

#81CF4B #4BC3CF #994BCF #CF574B

square

#81CF4B #4BC3CF #994BCF #CF574B

split-complementary

#81CF4B #574BCF #CF4BC3

monochromatic

#477E22 #63AE2E #81CF4B #A3DC7B #C5E9AC

Accessibility & contrast

On white

1.92

#81CF4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#81CF4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CF4B

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CF4B	#FFFFFF	#000000	##000000
##81CF4B	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BF3B

Deuteranopia (green-blind)

#CCB956

Tritanopia (blue-blind)

#80C7B4

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #81cf4b;
/* rgb */ color: rgb(129, 207, 75);
/* oklch */ color: oklch(77.7% 0.183 134.7);

Tailwind

colors: {
  custom: {
    50: '#abde83',
    500: '#81cf4b',
    950: '#000000',
  },
}

SCSS

$custom: #81cf4b;
$custom-light: #abde83;
$custom-dark: #000000;

JSON

{
  "hex": "#81cf4b",
  "rgb": {
    "r": 129,
    "g": 207,
    "b": 75
  },
  "hsl": {
    "h": 95.455,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.77703,
    "c": 0.18265,
    "h": 134.7
  },
  "luminance": 0.49801
}

Semantic roles & 50–950 ramp

primary

#81CF4B

secondary

#C09FD6

accent

#47E1A2

background

#FAFDF8

surface

#F5FBEF

border

#CFD4CA

text

#10150B

muted

#7F837C

Preview Lab

Preview with #81CF4B

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

Preview Lab → · Contrast checker → · Palette generator →