#183603#183603

#183603 is a dark, moderate yellow-green. Relative luminance 0.028; OKLCH L 29.8% C 0.084 H 135.6°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#183603
RGB	rgb(24, 54, 3)
HSL	hsl(95, 89%, 11%)
HSV	hsv(95, 94%, 21%)
CMYK	cmyk(55.6%, 0%, 94.4%, 78.8%)
CIE-LAB	lab(19.39, -21.46, 25.65)
CIE-LCH	lch(19.39, 33.44, 129.92°)
OKLab	oklab(29.8% -0.06 0.0587)
OKLCH	oklch(29.8% 0.084 135.6)
XYZ	xyz(1.7122, 2.8390, 0.5439)
Luminance	0.0284 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 6.47

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183603 #210336

analogous

#313603 #183603 #033607

triadic

#183603 #031836 #360318

tetradic

#183603 #033136 #210336 #360703

square

#183603 #033136 #210336 #360703

split-complementary

#183603 #070336 #360331

monochromatic

#0D1D02 #0D1D02 #183603 #327006 #4CAA09

Accessibility & contrast

On white

13.39

#183603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#183603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183603

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183603	#FFFFFF	#000000	##FFFFFF
##183603	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383100

Deuteranopia (green-blind)

#342E08

Tritanopia (blue-blind)

#17342D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #183603;
/* rgb */ color: rgb(24, 54, 3);
/* oklch */ color: oklch(29.8% 0.084 135.6);

Tailwind

colors: {
  custom: {
    50: '#586d49',
    500: '#183603',
    950: '#000000',
  },
}

SCSS

$custom: #183603;
$custom-light: #586d49;
$custom-dark: #000000;

JSON

{
  "hex": "#183603",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 3
  },
  "hsl": {
    "h": 95.294,
    "s": 89.474,
    "l": 11.176
  },
  "oklch": {
    "l": 0.29795,
    "c": 0.08396,
    "h": 135.6
  },
  "luminance": 0.02839
}

Semantic roles & 50–950 ramp

primary

#183603

secondary

#531C79

accent

#29FFA7

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #183603

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

Preview Lab → · Contrast checker → · Palette generator →