#183B13#183B13

#183B13 is a dark, moderate green. Relative luminance 0.034; OKLCH L 31.6% C 0.078 H 141.2°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#183B13
RGB	rgb(24, 59, 19)
HSL	hsl(113, 51%, 15%)
HSV	hsv(113, 68%, 23%)
CMYK	cmyk(59.3%, 0%, 67.8%, 76.9%)
CIE-LAB	lab(21.46, -22.12, 20.61)
CIE-LCH	lch(21.46, 30.24, 137.02°)
OKLab	oklab(31.55% -0.0604 0.0485)
OKLCH	oklch(31.55% 0.078 141.2)
XYZ	xyz(2.0581, 3.3690, 1.1578)
Luminance	0.0337 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Dark Green

#033500

ΔE00 3.65

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B13 #36133B

analogous

#2C3B13 #183B13 #133B22

triadic

#183B13 #13183B #3B1318

tetradic

#183B13 #132C3B #36133B #3B2213

square

#183B13 #132C3B #36133B #3B2213

split-complementary

#183B13 #22133B #3B132C

monochromatic

#091707 #091707 #183B13 #2B6922 #3E9831

Accessibility & contrast

On white

12.55

#183B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#183B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B13

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B13	#FFFFFF	#000000	##FFFFFF
##183B13	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D350F

Deuteranopia (green-blind)

#383216

Tritanopia (blue-blind)

#143932

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183b13;
/* rgb */ color: rgb(24, 59, 19);
/* oklch */ color: oklch(31.6% 0.078 141.2);

Tailwind

colors: {
  custom: {
    50: '#597152',
    500: '#183b13',
    950: '#000000',
  },
}

SCSS

$custom: #183b13;
$custom-light: #597152;
$custom-dark: #000000;

JSON

{
  "hex": "#183b13",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 19
  },
  "hsl": {
    "h": 112.5,
    "s": 51.282,
    "l": 15.294
  },
  "oklch": {
    "l": 0.31553,
    "c": 0.07751,
    "h": 141.2
  },
  "luminance": 0.03369
}

Semantic roles & 50–950 ramp

primary

#183B13

secondary

#6C3673

accent

#4DDBC9

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040702

muted

#797A78

Preview Lab

Preview with #183B13

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

Preview Lab → · Contrast checker → · Palette generator →