#00180B#00180B

#00180B is a very dark, muted green. Relative luminance 0.007; OKLCH L 18.4% C 0.043 H 158.3°. Best body text is #FFFFFF at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#00180B
RGB	rgb(0, 24, 11)
HSL	hsl(148, 100%, 5%)
HSV	hsv(148, 100%, 9%)
CMYK	cmyk(100%, 0%, 54.2%, 90.6%)
CIE-LAB	lab(6.12, -10.52, 4.44)
CIE-LCH	lch(6.12, 11.42, 157.10°)
OKLab	oklab(18.42% -0.0398 0.0158)
OKLCH	oklch(18.42% 0.043 158.3)
XYZ	xyz(0.3870, 0.6774, 0.4269)
Luminance	0.0068 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00180B #18000D

analogous

#011800 #00180B #001817

triadic

#00180B #0B0018 #180B00

tetradic

#00180B #000118 #18000D #181700

square

#00180B #000118 #18000D #181700

split-complementary

#00180B #170018 #180001

monochromatic

#001F0E #001F0E #001F0E #005527 #009243

Accessibility & contrast

On white

18.50

#00180B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#00180B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00180B

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00180B	#FFFFFF	#000000	##FFFFFF
##00180B	1.00	18.50	1.14	18.50
#FFFFFF	18.50	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18150A

Deuteranopia (green-blind)

#14130C

Tritanopia (blue-blind)

#001815

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #00180b;
/* rgb */ color: rgb(0, 24, 11);
/* oklch */ color: oklch(18.4% 0.043 158.3);

Tailwind

colors: {
  custom: {
    50: '#46544b',
    500: '#00180b',
    950: '#000000',
  },
}

SCSS

$custom: #00180b;
$custom-light: #46544b;
$custom-dark: #000000;

JSON

{
  "hex": "#00180b",
  "rgb": {
    "r": 0,
    "g": 24,
    "b": 11
  },
  "hsl": {
    "h": 147.5,
    "s": 100,
    "l": 4.706
  },
  "oklch": {
    "l": 0.18417,
    "c": 0.04284,
    "h": 158.3
  },
  "luminance": 0.00677
}

Semantic roles & 50–950 ramp

primary

#00180B

secondary

#62113D

accent

#299DFF

background

#F3F4F4

surface

#E5E7E7

border

#C1C3C3

text

#000201

muted

#777877

Preview Lab

Preview with #00180B

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

Preview Lab → · Contrast checker → · Palette generator →