#183A10#183A10

#183A10 is a dark, moderate green. Relative luminance 0.033; OKLCH L 31.2% C 0.079 H 140.0°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#183A10
RGB	rgb(24, 58, 16)
HSL	hsl(109, 57%, 15%)
HSV	hsv(109, 72%, 23%)
CMYK	cmyk(58.6%, 0%, 72.4%, 77.3%)
CIE-LAB	lab(21.05, -22.04, 21.79)
CIE-LCH	lch(21.05, 30.99, 135.32°)
OKLab	oklab(31.2% -0.0604 0.0507)
OKLCH	oklch(31.2% 0.079 140)
XYZ	xyz(1.9832, 3.2576, 1.0144)
Luminance	0.0326 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Dark Green

#033500

ΔE00 3.31

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183A10 #32103A

analogous

#2D3A10 #183A10 #103A1D

triadic

#183A10 #10183A #3A1018

tetradic

#183A10 #102D3A #32103A #3A1D10

square

#183A10 #102D3A #32103A #3A1D10

split-complementary

#183A10 #1D103A #3A102D

monochromatic

#0A1807 #0A1807 #183A10 #2C6A1D #409A2A

Accessibility & contrast

On white

12.71

#183A10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#183A10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A10

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183A10	#FFFFFF	#000000	##FFFFFF
##183A10	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C340B

Deuteranopia (green-blind)

#373113

Tritanopia (blue-blind)

#153831

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183a10;
/* rgb */ color: rgb(24, 58, 16);
/* oklch */ color: oklch(31.2% 0.079 140.0);

Tailwind

colors: {
  custom: {
    50: '#597050',
    500: '#183a10',
    950: '#000000',
  },
}

SCSS

$custom: #183a10;
$custom-light: #597050;
$custom-dark: #000000;

JSON

{
  "hex": "#183a10",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 16
  },
  "hsl": {
    "h": 108.571,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.31198,
    "c": 0.07886,
    "h": 140
  },
  "luminance": 0.03258
}

Semantic roles & 50–950 ramp

primary

#183A10

secondary

#673274

accent

#48E0C3

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040702

muted

#797A78

Preview Lab

Preview with #183A10

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

Preview Lab → · Contrast checker → · Palette generator →