#81B123#81B123

#81B123 is a light, vivid yellow-green. Relative luminance 0.362; OKLCH L 70.1% C 0.170 H 127.4°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX#81B123
RGBrgb(129, 177, 35)
HSLhsl(80, 67%, 42%)
HSVhsv(80, 80%, 69%)
CMYKcmyk(27.1%, 0%, 80.2%, 30.6%)
CIE-LABlab(66.70, -35.76, 61.47)
CIE-LCHlch(66.70, 71.12, 120.18°)
OKLaboklab(70.08% -0.1032 0.1349)
OKLCHoklch(70.08% 0.17 127.4)
XYZxyz(25.0789, 36.2322, 7.2620)
Luminance0.3623 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81B123 #5323B1
analogous
#B19A23 #81B123 #3AB123
triadic
#81B123 #2381B1 #B12381
tetradic
#81B123 #23B19A #5323B1 #B1233A
square
#81B123 #23B19A #5323B1 #B1233A
split-complementary
#81B123 #233AB1 #9A23B1
monochromatic
#374B0F #5C7E19 #81B123 #A2D839 #BAE26C

Accessibility & contrast

On white

2.55
#81B123 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.25
#81B123 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B123
8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81B123#FFFFFF#000000##000000
##81B1231.002.558.258.25
#FFFFFF2.551.0021.0021.00
#0000008.2521.001.001.00
##0000008.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BAA400
Deuteranopia (green-blind)
#B4A133
Tritanopia (blue-blind)
#86A997
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #81b123;
/* rgb */ color: rgb(129, 177, 35);
/* oklch */ color: oklch(70.1% 0.170 127.4);
Tailwind
colors: {
  custom: {
    50: '#aac86b',
    500: '#81b123',
    950: '#000000',
  },
}
SCSS
$custom: #81b123;
$custom-light: #aac86b;
$custom-dark: #000000;
JSON
{
  "hex": "#81b123",
  "rgb": {
    "r": 129,
    "g": 177,
    "b": 35
  },
  "hsl": {
    "h": 80.282,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.70084,
    "c": 0.16987,
    "h": 127.4
  },
  "luminance": 0.36233
}

Semantic roles & 50–950 ramp

primary
#81B123
secondary
#8868C8
accent
#3EEA78
background
#FAFCF6
surface
#F4F8EC
border
#CED1C7
text
#101307
muted
#7F827A

Preview Lab

Preview with #81B123

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

Preview Lab → · Contrast checker → · Palette generator →

#81B123 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva