#81CE4B#81CE4B

#81CE4B is a light, vivid yellow-green. Relative luminance 0.493; OKLCH L 77.5% C 0.181 H 134.6°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#81CE4B
RGB	rgb(129, 206, 75)
HSL	hsl(95, 57%, 55%)
HSV	hsv(95, 64%, 81%)
CMYK	cmyk(37.4%, 0%, 63.6%, 19.2%)
CIE-LAB	lab(75.65, -45.78, 55.96)
CIE-LCH	lch(75.65, 72.30, 129.29°)
OKLab	oklab(77.46% -0.1274 0.129)
OKLCH	oklch(77.46% 0.181 134.6)
XYZ	xyz(32.3939, 49.3162, 14.4674)
Luminance	0.4932 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CE4B #984BCE

analogous

#C3CE4B #81CE4B #4BCE56

triadic

#81CE4B #4B81CE #CE4B81

tetradic

#81CE4B #4BC3CE #984BCE #CE564B

square

#81CE4B #4BC3CE #984BCE #CE564B

split-complementary

#81CE4B #564BCE #CE4BC3

monochromatic

#477D22 #63AD2F #81CE4B #A3DB7B #C4E8AB

Accessibility & contrast

On white

1.93

#81CE4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.86

#81CE4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CE4B

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CE4B	#FFFFFF	#000000	##000000
##81CE4B	1.00	1.93	10.86	10.86
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.86	21.00	1.00	1.00
##000000	10.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BE3B

Deuteranopia (green-blind)

#CBB856

Tritanopia (blue-blind)

#80C6B3

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #81ce4b;
/* rgb */ color: rgb(129, 206, 75);
/* oklch */ color: oklch(77.5% 0.181 134.6);

Tailwind

colors: {
  custom: {
    50: '#aadd83',
    500: '#81ce4b',
    950: '#000000',
  },
}

SCSS

$custom: #81ce4b;
$custom-light: #aadd83;
$custom-dark: #000000;

JSON

{
  "hex": "#81ce4b",
  "rgb": {
    "r": 129,
    "g": 206,
    "b": 75
  },
  "hsl": {
    "h": 95.267,
    "s": 57.205,
    "l": 55.098
  },
  "oklch": {
    "l": 0.7746,
    "c": 0.18136,
    "h": 134.6
  },
  "luminance": 0.49318
}

Semantic roles & 50–950 ramp

primary

#81CE4B

secondary

#BF9FD6

accent

#47E0A1

background

#FAFDF8

surface

#F4FBEF

border

#CED4CA

text

#10150B

muted

#7F837C

Preview Lab

Preview with #81CE4B

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

Preview Lab → · Contrast checker → · Palette generator →