#183604#183604

#183604 is a dark, moderate yellow-green. Relative luminance 0.028; OKLCH L 29.8% C 0.083 H 135.9°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX#183604
RGBrgb(24, 54, 4)
HSLhsl(96, 86%, 11%)
HSVhsv(96, 93%, 21%)
CMYKcmyk(55.6%, 0%, 92.6%, 78.8%)
CIE-LABlab(19.40, -21.36, 25.25)
CIE-LCHlch(19.40, 33.07, 130.23°)
OKLaboklab(29.81% -0.0596 0.0578)
OKLCHoklch(29.81% 0.083 135.9)
XYZxyz(1.7177, 2.8412, 0.5727)
Luminance0.0284 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183604 #220436
analogous
#313604 #183604 #043609
triadic
#183604 #041836 #360418
tetradic
#183604 #043136 #220436 #360904
square
#183604 #043136 #220436 #360904
split-complementary
#183604 #090436 #360431
monochromatic
#0D1C02 #0D1C02 #183604 #316F08 #4BA80C

Accessibility & contrast

On white

13.39
#183604 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.57
#183604 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183604
13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183604#FFFFFF#000000##FFFFFF
##1836041.0013.391.5713.39
#FFFFFF13.391.0021.001.00
#0000001.5721.001.0021.00
##FFFFFF13.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#383100
Deuteranopia (green-blind)
#342E09
Tritanopia (blue-blind)
#17342D
Achromatopsia (no color)
#2F2F2F

Design tokens & code

CSS
--color: #183604;
/* rgb */ color: rgb(24, 54, 4);
/* oklch */ color: oklch(29.8% 0.083 135.9);
Tailwind
colors: {
  custom: {
    50: '#586d49',
    500: '#183604',
    950: '#000000',
  },
}
SCSS
$custom: #183604;
$custom-light: #586d49;
$custom-dark: #000000;
JSON
{
  "hex": "#183604",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 4
  },
  "hsl": {
    "h": 96,
    "s": 86.207,
    "l": 11.373
  },
  "oklch": {
    "l": 0.29805,
    "c": 0.08307,
    "h": 135.9
  },
  "luminance": 0.02841
}

Semantic roles & 50–950 ramp

primary
#183604
secondary
#541E78
accent
#2BFCA9
background
#F5F6F4
surface
#E9EBE7
border
#C5C6C3
text
#040701
muted
#797A77

Preview Lab

Preview with #183604

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

Preview Lab → · Contrast checker → · Palette generator →

#183604 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva