#181D00#181D00

#181D00 is a very dark, muted yellow-green. Relative luminance 0.011; OKLCH L 21.8% C 0.051 H 118.4°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#181D00
RGB	rgb(24, 29, 0)
HSL	hsl(70, 100%, 6%)
HSV	hsv(70, 100%, 11%)
CMYK	cmyk(17.2%, 0%, 100%, 88.6%)
CIE-LAB	lab(9.58, -7.88, 14.18)
CIE-LCH	lch(9.58, 16.22, 119.07°)
OKLab	oklab(21.79% -0.0242 0.0448)
OKLCH	oklch(21.79% 0.051 118.4)
XYZ	xyz(0.8161, 1.0729, 0.1641)
Luminance	0.0107 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181D00 #05001D

analogous

#1D1300 #181D00 #091D00

triadic

#181D00 #00181D #1D0018

tetradic

#181D00 #001D13 #05001D #1D0009

square

#181D00 #001D13 #05001D #1D0009

split-complementary

#181D00 #00091D #13001D

monochromatic

#191F00 #191F00 #191F00 #4B5A00 #7D9700

Accessibility & contrast

On white

17.29

#181D00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#181D00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181D00

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181D00	#FFFFFF	#000000	##FFFFFF
##181D00	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201B00

Deuteranopia (green-blind)

#1F1B01

Tritanopia (blue-blind)

#1A1B17

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #181d00;
/* rgb */ color: rgb(24, 29, 0);
/* oklch */ color: oklch(21.8% 0.051 118.4);

Tailwind

colors: {
  custom: {
    50: '#545846',
    500: '#181d00',
    950: '#000000',
  },
}

SCSS

$custom: #181d00;
$custom-light: #545846;
$custom-dark: #000000;

JSON

{
  "hex": "#181d00",
  "rgb": {
    "r": 24,
    "g": 29,
    "b": 0
  },
  "hsl": {
    "h": 70.345,
    "s": 100,
    "l": 5.686
  },
  "oklch": {
    "l": 0.21788,
    "c": 0.05089,
    "h": 118.4
  },
  "luminance": 0.01073
}

Semantic roles & 50–950 ramp

primary

#181D00

secondary

#211267

accent

#29FF4E

background

#F4F5F3

surface

#E7E9E5

border

#C3C5C1

text

#020300

muted

#787877

Preview Lab

Preview with #181D00

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

Preview Lab → · Contrast checker → · Palette generator →