#81D351#81D351

#81D351 is a light, vivid yellow-green. Relative luminance 0.518; OKLCH L 78.7% C 0.183 H 135.7°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#81D351
RGB	rgb(129, 211, 81)
HSL	hsl(98, 60%, 57%)
HSV	hsv(98, 62%, 83%)
CMYK	cmyk(38.9%, 0%, 61.6%, 17.3%)
CIE-LAB	lab(77.19, -47.33, 55.11)
CIE-LCH	lch(77.19, 72.65, 130.65°)
OKLab	oklab(78.74% -0.1312 0.1279)
OKLCH	oklch(78.74% 0.183 135.7)
XYZ	xyz(33.8319, 51.8480, 16.0080)
Luminance	0.5185 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D351 #A351D3

analogous

#C2D351 #81D351 #51D362

triadic

#81D351 #5181D3 #D35181

tetradic

#81D351 #51C2D3 #A351D3 #D36251

square

#81D351 #51C2D3 #A351D3 #D36251

split-complementary

#81D351 #6251D3 #D351C2

monochromatic

#488722 #61B82F #81D351 #A4DF82 #C8ECB3

Accessibility & contrast

On white

1.85

#81D351 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#81D351 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D351

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D351	#FFFFFF	#000000	##000000
##81D351	1.00	1.85	11.37	11.37
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.37	21.00	1.00	1.00
##000000	11.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC342

Deuteranopia (green-blind)

#CFBC5B

Tritanopia (blue-blind)

#7FCCB7

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #81d351;
/* rgb */ color: rgb(129, 211, 81);
/* oklch */ color: oklch(78.7% 0.183 135.7);

Tailwind

colors: {
  custom: {
    50: '#abe187',
    500: '#81d351',
    950: '#000000',
  },
}

SCSS

$custom: #81d351;
$custom-light: #abe187;
$custom-dark: #000000;

JSON

{
  "hex": "#81d351",
  "rgb": {
    "r": 129,
    "g": 211,
    "b": 81
  },
  "hsl": {
    "h": 97.846,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.78736,
    "c": 0.18327,
    "h": 135.7
  },
  "luminance": 0.5185
}

Semantic roles & 50–950 ramp

primary

#81D351

secondary

#6F3A8E

accent

#45E3A9

background

#FDFEFC

surface

#F7FCF3

border

#D0D5CD

text

#10150C

muted

#81847F

Preview Lab

Preview with #81D351

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

Preview Lab → · Contrast checker → · Palette generator →