#81DF3B#81DF3B

#81DF3B is a light, highly saturated yellow-green. Relative luminance 0.578; OKLCH L 81.5% C 0.213 H 135.0°. Best body text is #000000 at 12.55:1 contrast (WCAG AA passes).

Color values

HEX#81DF3B
RGBrgb(129, 223, 59)
HSLhsl(94, 72%, 55%)
HSVhsv(94, 74%, 87%)
CMYKcmyk(42.2%, 0%, 73.5%, 12.5%)
CIE-LABlab(80.60, -53.86, 67.13)
CIE-LCHlch(80.60, 86.07, 128.74°)
OKLaboklab(81.48% -0.1505 0.1504)
OKLCHoklch(81.48% 0.213 135)
XYZxyz(36.2296, 57.7562, 13.3759)
Luminance0.5776 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81DF3B #993BDF
analogous
#D3DF3B #81DF3B #3BDF47
triadic
#81DF3B #3B81DF #DF3B81
tetradic
#81DF3B #3BD3DF #993BDF #DF473B
square
#81DF3B #3BD3DF #993BDF #DF473B
split-complementary
#81DF3B #473BDF #DF3BD3
monochromatic
#478916 #63BE1F #81DF3B #A3E870 #C5F0A4

Accessibility & contrast

On white

1.67
#81DF3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.55
#81DF3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DF3B
12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81DF3B#FFFFFF#000000##000000
##81DF3B1.001.6712.5512.55
#FFFFFF1.671.0021.0021.00
#00000012.5521.001.001.00
##00000012.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E7CD19
Deuteranopia (green-blind)
#DBC54C
Tritanopia (blue-blind)
#7FD7C0
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #81df3b;
/* rgb */ color: rgb(129, 223, 59);
/* oklch */ color: oklch(81.5% 0.213 135.0);
Tailwind
colors: {
  custom: {
    50: '#ade97c',
    500: '#81df3b',
    950: '#000000',
  },
}
SCSS
$custom: #81df3b;
$custom-light: #ade97c;
$custom-dark: #000000;
JSON
{
  "hex": "#81df3b",
  "rgb": {
    "r": 129,
    "g": 223,
    "b": 59
  },
  "hsl": {
    "h": 94.39,
    "s": 71.93,
    "l": 55.294
  },
  "oklch": {
    "l": 0.81477,
    "c": 0.2128,
    "h": 135
  },
  "luminance": 0.57758
}

Semantic roles & 50–950 ramp

primary
#81DF3B
secondary
#662F8F
accent
#39EFA1
background
#FDFEFB
surface
#F8FDF2
border
#D1D5CC
text
#11160A
muted
#81847D

Preview Lab

Preview with #81DF3B

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

Preview Lab → · Contrast checker → · Palette generator →

#81DF3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva