#181C0A#181C0A

#181C0A is a very dark, muted yellow-green. Relative luminance 0.010; OKLCH L 21.7% C 0.033 H 119.5°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#181C0A
RGB	rgb(24, 28, 10)
HSL	hsl(73, 47%, 7%)
HSV	hsv(73, 64%, 11%)
CMYK	cmyk(14.3%, 0%, 64.3%, 89%)
CIE-LAB	lab(9.37, -5.72, 9.80)
CIE-LCH	lch(9.37, 11.35, 120.26°)
OKLab	oklab(21.68% -0.016 0.0283)
OKLCH	oklch(21.68% 0.033 119.5)
XYZ	xyz(0.8467, 1.0466, 0.4445)
Luminance	0.0105 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181C0A #0E0A1C

analogous

#1C170A #181C0A #0F1C0A

triadic

#181C0A #0A181C #1C0A18

tetradic

#181C0A #0A1C17 #0E0A1C #1C0A0F

square

#181C0A #0A1C17 #0E0A1C #1C0A0F

split-complementary

#181C0A #0A0F1C #170A1C

monochromatic

#131708 #131708 #181C0A #3F491A #65762A

Accessibility & contrast

On white

17.36

#181C0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#181C0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181C0A

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181C0A	#FFFFFF	#000000	##FFFFFF
##181C0A	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A09

Deuteranopia (green-blind)

#1E1A0B

Tritanopia (blue-blind)

#1A1A18

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #181c0a;
/* rgb */ color: rgb(24, 28, 10);
/* oklch */ color: oklch(21.7% 0.033 119.5);

Tailwind

colors: {
  custom: {
    50: '#54584b',
    500: '#181c0a',
    950: '#000000',
  },
}

SCSS

$custom: #181c0a;
$custom-light: #54584b;
$custom-dark: #000000;

JSON

{
  "hex": "#181c0a",
  "rgb": {
    "r": 24,
    "g": 28,
    "b": 10
  },
  "hsl": {
    "h": 73.333,
    "s": 47.368,
    "l": 7.451
  },
  "oklch": {
    "l": 0.21675,
    "c": 0.03252,
    "h": 119.5
  },
  "luminance": 0.01047
}

Semantic roles & 50–950 ramp

primary

#181C0A

secondary

#352B56

accent

#51D76F

background

#F4F5F4

surface

#E7E9E7

border

#C3C5C3

text

#020301

muted

#787877

Preview Lab

Preview with #181C0A

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

Preview Lab → · Contrast checker → · Palette generator →