#81D233#81D233

#81D233 is a light, highly saturated yellow-green. Relative luminance 0.510; OKLCH L 78.2% C 0.202 H 133.3°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#81D233
RGB	rgb(129, 210, 51)
HSL	hsl(91, 64%, 51%)
HSV	hsv(91, 76%, 82%)
CMYK	cmyk(38.6%, 0%, 75.7%, 17.6%)
CIE-LAB	lab(76.68, -49.13, 65.93)
CIE-LCH	lch(76.68, 82.23, 126.69°)
OKLab	oklab(78.25% -0.1383 0.1468)
OKLCH	oklch(78.25% 0.202 133.3)
XYZ	xyz(32.6969, 50.9978, 11.2521)
Luminance	0.5100 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D233 #8433D2

analogous

#D0D233 #81D233 #33D234

triadic

#81D233 #3381D2 #D23381

tetradic

#81D233 #33D0D2 #8433D2 #D23433

square

#81D233 #33D0D2 #8433D2 #D23433

split-complementary

#81D233 #3433D2 #D233D0

monochromatic

#447219 #63A424 #81D233 #A0DD65 #BFE897

Accessibility & contrast

On white

1.88

#81D233 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#81D233 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D233

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D233	#FFFFFF	#000000	##000000
##81D233	1.00	1.88	11.20	11.20
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC10A

Deuteranopia (green-blind)

#D0BB44

Tritanopia (blue-blind)

#81CAB4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #81d233;
/* rgb */ color: rgb(129, 210, 51);
/* oklch */ color: oklch(78.2% 0.202 133.3);

Tailwind

colors: {
  custom: {
    50: '#ace076',
    500: '#81d233',
    950: '#000000',
  },
}

SCSS

$custom: #81d233;
$custom-light: #ace076;
$custom-dark: #000000;

JSON

{
  "hex": "#81d233",
  "rgb": {
    "r": 129,
    "g": 210,
    "b": 51
  },
  "hsl": {
    "h": 90.566,
    "s": 63.855,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78249,
    "c": 0.20165,
    "h": 133.3
  },
  "luminance": 0.50999
}

Semantic roles & 50–950 ramp

primary

#81D233

secondary

#552F7A

accent

#41E795

background

#FDFEFB

surface

#F8FCF1

border

#D1D5CB

text

#111509

muted

#81847D

Preview Lab

Preview with #81D233

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

Preview Lab → · Contrast checker → · Palette generator →