#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
RGBrgb(129, 211, 81)
HSLhsl(98, 60%, 57%)
HSVhsv(98, 62%, 83%)
CMYKcmyk(38.9%, 0%, 61.6%, 17.3%)
CIE-LABlab(77.19, -47.33, 55.11)
CIE-LCHlch(77.19, 72.65, 130.65°)
OKLaboklab(78.74% -0.1312 0.1279)
OKLCHoklch(78.74% 0.183 135.7)
XYZxyz(33.8319, 51.8480, 16.0080)
Luminance0.5185 (WCAG relative)
Temperaturewarm
Familyyellow-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
##81D3511.001.8511.3711.37
#FFFFFF1.851.0021.0021.00
#00000011.3721.001.001.00
##00000011.3721.001.001.00

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 →

#81D351 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva