#183B1D#183B1D

#183B1D is a dark, moderate green. Relative luminance 0.034; OKLCH L 31.7% C 0.066 H 146.8°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#183B1D
RGB	rgb(24, 59, 29)
HSL	hsl(129, 42%, 16%)
HSV	hsv(129, 59%, 23%)
CMYK	cmyk(59.3%, 0%, 50.8%, 76.9%)
CIE-LAB	lab(21.62, -20.47, 14.81)
CIE-LCH	lch(21.62, 25.27, 144.12°)
OKLab	oklab(31.73% -0.0555 0.0364)
OKLCH	oklch(31.73% 0.066 146.8)
XYZ	xyz(2.1623, 3.4107, 1.7065)
Luminance	0.0341 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 6.44

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B1D #3B1836

analogous

#253B18 #183B1D #183B2F

triadic

#183B1D #1D183B #3B1D18

tetradic

#183B1D #18253B #3B1836 #3B2F18

square

#183B1D #18253B #3B1836 #3B2F18

split-complementary

#183B1D #2F183B #3B1825

monochromatic

#09160B #09160B #183B1D #2A6732 #3B9248

Accessibility & contrast

On white

12.48

#183B1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#183B1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B1D

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B1D	#FFFFFF	#000000	##FFFFFF
##183B1D	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C361B

Deuteranopia (green-blind)

#37331F

Tritanopia (blue-blind)

#123A34

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183b1d;
/* rgb */ color: rgb(24, 59, 29);
/* oklch */ color: oklch(31.7% 0.066 146.8);

Tailwind

colors: {
  custom: {
    50: '#587159',
    500: '#183b1d',
    950: '#000000',
  },
}

SCSS

$custom: #183b1d;
$custom-light: #587159;
$custom-dark: #000000;

JSON

{
  "hex": "#183b1d",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 29
  },
  "hsl": {
    "h": 128.571,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.31729,
    "c": 0.06638,
    "h": 146.8
  },
  "luminance": 0.03411
}

Semantic roles & 50–950 ramp

primary

#183B1D

secondary

#713E6A

accent

#56C0D2

background

#F5F6F5

surface

#E9ECE9

border

#C5C7C5

text

#030703

muted

#787A78

Preview Lab

Preview with #183B1D

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

Preview Lab → · Contrast checker → · Palette generator →