#81D53F#81D53F

#81D53F is a light, vivid yellow-green. Relative luminance 0.526; OKLCH L 79.1% C 0.198 H 134.4°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX#81D53F
RGBrgb(129, 213, 63)
HSLhsl(94, 64%, 54%)
HSVhsv(94, 70%, 84%)
CMYKcmyk(39.4%, 0%, 70.4%, 16.5%)
CIE-LABlab(77.65, -49.60, 62.78)
CIE-LCHlch(77.65, 80.01, 128.31°)
OKLaboklab(79.06% -0.1387 0.1419)
OKLCHoklch(79.06% 0.198 134.4)
XYZxyz(33.7441, 52.6128, 13.0789)
Luminance0.5262 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81D53F #933FD5
analogous
#CCD53F #81D53F #3FD548
triadic
#81D53F #3F81D5 #D53F81
tetradic
#81D53F #3FCCD5 #933FD5 #D5483F
square
#81D53F #3FCCD5 #933FD5 #D5483F
split-complementary
#81D53F #483FD5 #D53FCC
monochromatic
#477E1C #63B027 #81D53F #A2E071 #C3EBA3

Accessibility & contrast

On white

1.82
#81D53F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.52
#81D53F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D53F
11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81D53F#FFFFFF#000000##000000
##81D53F1.001.8211.5211.52
#FFFFFF1.821.0021.0021.00
#00000011.5221.001.001.00
##00000011.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDC426
Deuteranopia (green-blind)
#D2BD4D
Tritanopia (blue-blind)
#80CDB7
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #81d53f;
/* rgb */ color: rgb(129, 213, 63);
/* oklch */ color: oklch(79.1% 0.198 134.4);
Tailwind
colors: {
  custom: {
    50: '#ace27d',
    500: '#81d53f',
    950: '#000000',
  },
}
SCSS
$custom: #81d53f;
$custom-light: #ace27d;
$custom-dark: #000000;
JSON
{
  "hex": "#81d53f",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 63
  },
  "hsl": {
    "h": 93.6,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.79064,
    "c": 0.19843,
    "h": 134.4
  },
  "luminance": 0.52615
}

Semantic roles & 50–950 ramp

primary
#81D53F
secondary
#613385
accent
#41E79E
background
#FDFEFB
surface
#F8FCF2
border
#D1D5CC
text
#11150A
muted
#81847D

Preview Lab

Preview with #81D53F

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

Preview Lab → · Contrast checker → · Palette generator →

#81D53F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva