#001B00#001B00

#001B00 is a very dark, moderate green. Relative luminance 0.008; OKLCH L 19.2% C 0.065 H 142.5°. Best body text is #FFFFFF at 18.15:1 contrast (WCAG AA passes).

Color values

HEX	#001B00
RGB	rgb(0, 27, 0)
HSL	hsl(120, 100%, 5%)
HSV	hsv(120, 100%, 11%)
CMYK	cmyk(100%, 0%, 100%, 89.4%)
CIE-LAB	lab(7.08, -14.46, 10.34)
CIE-LCH	lch(7.08, 17.78, 144.44°)
OKLab	oklab(19.25% -0.0519 0.0399)
OKLCH	oklch(19.25% 0.065 142.5)
XYZ	xyz(0.3919, 0.7838, 0.1306)
Luminance	0.0078 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001B00 #1B001B

analogous

#0D1B00 #001B00 #001B0D

triadic

#001B00 #00001B #1B0000

tetradic

#001B00 #000D1B #1B001B #1B0D00

square

#001B00 #000D1B #1B001B #1B0D00

split-complementary

#001B00 #0D001B #1B000D

monochromatic

#001F00 #001F00 #001F00 #005800 #009500

Accessibility & contrast

On white

18.15

#001B00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#001B00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B00

18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001B00	#FFFFFF	#000000	##FFFFFF
##001B00	1.00	18.15	1.16	18.15
#FFFFFF	18.15	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1700

Deuteranopia (green-blind)

#191502

Tritanopia (blue-blind)

#001A15

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #001b00;
/* rgb */ color: rgb(0, 27, 0);
/* oklch */ color: oklch(19.2% 0.065 142.5);

Tailwind

colors: {
  custom: {
    50: '#465746',
    500: '#001b00',
    950: '#000000',
  },
}

SCSS

$custom: #001b00;
$custom-light: #465746;
$custom-dark: #000000;

JSON

{
  "hex": "#001b00",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 0
  },
  "hsl": {
    "h": 120,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.19246,
    "c": 0.06549,
    "h": 142.5
  },
  "luminance": 0.00784
}

Semantic roles & 50–950 ramp

primary

#001B00

secondary

#651265

accent

#29FFFF

background

#F3F5F3

surface

#E5E9E5

border

#C1C5C1

text

#000300

muted

#777877

Preview Lab

Preview with #001B00

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

Preview Lab → · Contrast checker → · Palette generator →