#183C11#183C11

#183C11 is a dark, moderate green. Relative luminance 0.035; OKLCH L 31.8% C 0.081 H 140.5°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#183C11
RGB	rgb(24, 60, 17)
HSL	hsl(110, 56%, 15%)
HSV	hsv(110, 72%, 24%)
CMYK	cmyk(60%, 0%, 71.7%, 76.5%)
CIE-LAB	lab(21.82, -22.87, 22.12)
CIE-LCH	lch(21.82, 31.81, 135.95°)
OKLab	oklab(31.84% -0.0626 0.0515)
OKLCH	oklch(31.84% 0.081 140.5)
XYZ	xyz(2.0936, 3.4662, 1.0889)
Luminance	0.0347 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 5.00

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C11 #35113C

analogous

#2D3C11 #183C11 #113C20

triadic

#183C11 #11183C #3C1118

tetradic

#183C11 #112D3C #35113C #3C2011

square

#183C11 #112D3C #35113C #3C2011

split-complementary

#183C11 #20113C #3C112D

monochromatic

#0A1807 #0A1807 #183C11 #2B6C1F #3E9B2C

Accessibility & contrast

On white

12.40

#183C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#183C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C11

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C11	#FFFFFF	#000000	##FFFFFF
##183C11	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E360C

Deuteranopia (green-blind)

#393315

Tritanopia (blue-blind)

#143A33

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183c11;
/* rgb */ color: rgb(24, 60, 17);
/* oklch */ color: oklch(31.8% 0.081 140.5);

Tailwind

colors: {
  custom: {
    50: '#597251',
    500: '#183c11',
    950: '#000000',
  },
}

SCSS

$custom: #183c11;
$custom-light: #597251;
$custom-dark: #000000;

JSON

{
  "hex": "#183c11",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 17
  },
  "hsl": {
    "h": 110.233,
    "s": 55.844,
    "l": 15.098
  },
  "oklch": {
    "l": 0.31839,
    "c": 0.08106,
    "h": 140.5
  },
  "luminance": 0.03466
}

Semantic roles & 50–950 ramp

primary

#183C11

secondary

#6B3375

accent

#49DFC7

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040802

muted

#797B78

Preview Lab

Preview with #183C11

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

Preview Lab → · Contrast checker → · Palette generator →