#183C17#183C17

#183C17 is a dark, moderate green. Relative luminance 0.035; OKLCH L 31.9% C 0.075 H 143.1°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#183C17
RGB	rgb(24, 60, 23)
HSL	hsl(118, 45%, 16%)
HSV	hsv(118, 62%, 24%)
CMYK	cmyk(60%, 0%, 61.7%, 76.5%)
CIE-LAB	lab(21.90, -22.02, 18.82)
CIE-LCH	lch(21.90, 28.96, 139.47°)
OKLab	oklab(31.93% -0.0599 0.045)
OKLCH	oklch(31.93% 0.075 143.1)
XYZ	xyz(2.1471, 3.4876, 1.3705)
Luminance	0.0349 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Dark Green

#033500

ΔE00 4.31

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C17 #3B173C

analogous

#2B3C17 #183C17 #173C29

triadic

#183C17 #17183C #3C1718

tetradic

#183C17 #172B3C #3B173C #3C2917

square

#183C17 #172B3C #3B173C #3C2917

split-complementary

#183C17 #29173C #3C172B

monochromatic

#091608 #091608 #183C17 #2A6828 #3B9439

Accessibility & contrast

On white

12.37

#183C17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#183C17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C17

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C17	#FFFFFF	#000000	##FFFFFF
##183C17	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3614

Deuteranopia (green-blind)

#39331A

Tritanopia (blue-blind)

#133A34

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183c17;
/* rgb */ color: rgb(24, 60, 23);
/* oklch */ color: oklch(31.9% 0.075 143.1);

Tailwind

colors: {
  custom: {
    50: '#597255',
    500: '#183c17',
    950: '#000000',
  },
}

SCSS

$custom: #183c17;
$custom-light: #597255;
$custom-dark: #000000;

JSON

{
  "hex": "#183c17",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 23
  },
  "hsl": {
    "h": 118.378,
    "s": 44.578,
    "l": 16.275
  },
  "oklch": {
    "l": 0.31928,
    "c": 0.07492,
    "h": 143.1
  },
  "luminance": 0.03488
}

Semantic roles & 50–950 ramp

primary

#183C17

secondary

#713C73

accent

#54D4D1

background

#F5F6F4

surface

#E9ECE8

border

#C5C7C4

text

#040803

muted

#797B78

Preview Lab

Preview with #183C17

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

Preview Lab → · Contrast checker → · Palette generator →