#81D423#81D423

#81D423 is a light, highly saturated yellow-green. Relative luminance 0.519; OKLCH L 78.7% C 0.211 H 132.8°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#81D423
RGB	rgb(129, 212, 35)
HSL	hsl(88, 72%, 48%)
HSV	hsv(88, 83%, 83%)
CMYK	cmyk(39.2%, 0%, 83.5%, 16.9%)
CIE-LAB	lab(77.21, -50.68, 70.86)
CIE-LCH	lch(77.21, 87.12, 125.57°)
OKLab	oklab(78.66% -0.1434 0.1548)
OKLCH	oklch(78.66% 0.211 132.8)
XYZ	xyz(32.8997, 51.8739, 9.8689)
Luminance	0.5188 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D423 #7623D4

analogous

#D4CE23 #81D423 #28D423

triadic

#81D423 #2381D4 #D42381

tetradic

#81D423 #23D4CE #7623D4 #D42328

square

#81D423 #23D4CE #7623D4 #D42328

split-complementary

#81D423 #2328D4 #CE23D4

monochromatic

#416B12 #619F1A #81D423 #9FE252 #BCEB86

Accessibility & contrast

On white

1.85

#81D423 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#81D423 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D423

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D423	#FFFFFF	#000000	##000000
##81D423	1.00	1.85	11.38	11.38
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC300

Deuteranopia (green-blind)

#D2BC3A

Tritanopia (blue-blind)

#82CBB5

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #81d423;
/* rgb */ color: rgb(129, 212, 35);
/* oklch */ color: oklch(78.7% 0.211 132.8);

Tailwind

colors: {
  custom: {
    50: '#ace270',
    500: '#81d423',
    950: '#000000',
  },
}

SCSS

$custom: #81d423;
$custom-light: #ace270;
$custom-dark: #000000;

JSON

{
  "hex": "#81d423",
  "rgb": {
    "r": 129,
    "g": 212,
    "b": 35
  },
  "hsl": {
    "h": 88.136,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.78658,
    "c": 0.21101,
    "h": 132.8
  },
  "luminance": 0.51875
}

Semantic roles & 50–950 ramp

primary

#81D423

secondary

#4B2775

accent

#39EE8E

background

#FDFEFB

surface

#F8FCF1

border

#D1D5CB

text

#111509

muted

#81847D

Preview Lab

Preview with #81D423

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

Preview Lab → · Contrast checker → · Palette generator →