#183A03#183A03

#183A03 is a dark, moderate yellow-green. Relative luminance 0.032; OKLCH L 31.1% C 0.090 H 136.6°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX#183A03
RGBrgb(24, 58, 3)
HSLhsl(97, 90%, 12%)
HSVhsv(97, 95%, 23%)
CMYKcmyk(58.6%, 0%, 94.8%, 77.3%)
CIE-LABlab(20.93, -23.34, 27.38)
CIE-LCHlch(20.93, 35.98, 130.44°)
OKLaboklab(31.06% -0.065 0.0616)
OKLCHoklch(31.06% 0.09 136.6)
XYZxyz(1.9061, 3.2267, 0.6085)
Luminance0.0323 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183A03 #25033A
analogous
#343A03 #183A03 #033A0A
triadic
#183A03 #03183A #3A0318
tetradic
#183A03 #03343A #25033A #3A0A03
square
#183A03 #03343A #25033A #3A0A03
split-complementary
#183A03 #0A033A #3A0334
monochromatic
#0C1D02 #0C1D02 #183A03 #307406 #48AE09

Accessibility & contrast

On white

12.76
#183A03 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.65
#183A03 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A03
12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183A03#FFFFFF#000000##FFFFFF
##183A031.0012.761.6512.76
#FFFFFF12.761.0021.001.00
#0000001.6521.001.0021.00
##FFFFFF12.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C3400
Deuteranopia (green-blind)
#383109
Tritanopia (blue-blind)
#163730
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #183a03;
/* rgb */ color: rgb(24, 58, 3);
/* oklch */ color: oklch(31.1% 0.090 136.6);
Tailwind
colors: {
  custom: {
    50: '#597049',
    500: '#183a03',
    950: '#000000',
  },
}
SCSS
$custom: #183a03;
$custom-light: #597049;
$custom-dark: #000000;
JSON
{
  "hex": "#183a03",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 3
  },
  "hsl": {
    "h": 97.091,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.31064,
    "c": 0.08957,
    "h": 136.6
  },
  "luminance": 0.03227
}

Semantic roles & 50–950 ramp

primary
#183A03
secondary
#581C7D
accent
#29FFAD
background
#F5F6F4
surface
#E9ECE7
border
#C5C7C3
text
#040701
muted
#797A77

Preview Lab

Preview with #183A03

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

Preview Lab → · Contrast checker → · Palette generator →

#183A03 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva