#183109#183109

#183109 is a dark, moderate yellow-green. Relative luminance 0.024; OKLCH L 28.3% C 0.071 H 136.0°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#183109
RGB	rgb(24, 49, 9)
HSL	hsl(98, 69%, 11%)
HSV	hsv(98, 82%, 19%)
CMYK	cmyk(51%, 0%, 81.6%, 80.8%)
CIE-LAB	lab(17.51, -18.34, 20.99)
CIE-LCH	lch(17.51, 27.87, 131.16°)
OKLab	oklab(28.27% -0.051 0.0493)
OKLCH	oklch(28.27% 0.071 136)
XYZ	xyz(1.5243, 2.4105, 0.6433)
Luminance	0.0241 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 8.52

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183109 #220931

analogous

#2C3109 #183109 #09310E

triadic

#183109 #091831 #310918

tetradic

#183109 #092C31 #220931 #310E09

square

#183109 #092C31 #220931 #310E09

split-complementary

#183109 #0E0931 #31092C

monochromatic

#0D1A05 #0D1A05 #183109 #316512 #4B981C

Accessibility & contrast

On white

14.17

#183109 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#183109 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183109

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183109	#FFFFFF	#000000	##FFFFFF
##183109	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332C04

Deuteranopia (green-blind)

#302A0D

Tritanopia (blue-blind)

#172F29

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #183109;
/* rgb */ color: rgb(24, 49, 9);
/* oklch */ color: oklch(28.3% 0.071 136.0);

Tailwind

colors: {
  custom: {
    50: '#57694b',
    500: '#183109',
    950: '#000000',
  },
}

SCSS

$custom: #183109;
$custom-light: #57694b;
$custom-dark: #000000;

JSON

{
  "hex": "#183109",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 9
  },
  "hsl": {
    "h": 97.5,
    "s": 68.966,
    "l": 11.373
  },
  "oklch": {
    "l": 0.28271,
    "c": 0.07092,
    "h": 136
  },
  "luminance": 0.02411
}

Semantic roles & 50–950 ramp

primary

#183109

secondary

#54276F

accent

#3CECAA

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#030601

muted

#787A77

Preview Lab

Preview with #183109

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

Preview Lab → · Contrast checker → · Palette generator →