#183B10#183B10

#183B10 is a dark, moderate green. Relative luminance 0.034; OKLCH L 31.5% C 0.080 H 140.1°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#183B10
RGB	rgb(24, 59, 16)
HSL	hsl(109, 57%, 15%)
HSV	hsv(109, 73%, 23%)
CMYK	cmyk(59.3%, 0%, 72.9%, 76.9%)
CIE-LAB	lab(21.43, -22.51, 22.22)
CIE-LCH	lch(21.43, 31.63, 135.38°)
OKLab	oklab(31.51% -0.0617 0.0516)
OKLCH	oklch(31.51% 0.08 140.1)
XYZ	xyz(2.0341, 3.3594, 1.0313)
Luminance	0.0336 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Dark Green

#033500

ΔE00 3.27

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 5.26

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B10 #33103B

analogous

#2E3B10 #183B10 #103B1E

triadic

#183B10 #10183B #3B1018

tetradic

#183B10 #102E3B #33103B #3B1E10

square

#183B10 #102E3B #33103B #3B1E10

split-complementary

#183B10 #1E103B #3B102E

monochromatic

#0A1807 #0A1807 #183B10 #2C6B1D #3F9B2A

Accessibility & contrast

On white

12.56

#183B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#183B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B10

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B10	#FFFFFF	#000000	##FFFFFF
##183B10	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D350B

Deuteranopia (green-blind)

#383214

Tritanopia (blue-blind)

#143932

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183b10;
/* rgb */ color: rgb(24, 59, 16);
/* oklch */ color: oklch(31.5% 0.080 140.1);

Tailwind

colors: {
  custom: {
    50: '#597150',
    500: '#183b10',
    950: '#000000',
  },
}

SCSS

$custom: #183b10;
$custom-light: #597150;
$custom-dark: #000000;

JSON

{
  "hex": "#183b10",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 16
  },
  "hsl": {
    "h": 108.837,
    "s": 57.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.31513,
    "c": 0.08043,
    "h": 140.1
  },
  "luminance": 0.0336
}

Semantic roles & 50–950 ramp

primary

#183B10

secondary

#683275

accent

#47E1C4

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040702

muted

#797A78

Preview Lab

Preview with #183B10

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

Preview Lab → · Contrast checker → · Palette generator →