#001F01#001F01

#001F01 is a very dark, moderate green. Relative luminance 0.010; OKLCH L 20.8% C 0.069 H 143.3°. Best body text is #FFFFFF at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#001F01
RGB	rgb(0, 31, 1)
HSL	hsl(122, 100%, 6%)
HSV	hsv(122, 100%, 12%)
CMYK	cmyk(100%, 0%, 96.8%, 87.8%)
CIE-LAB	lab(8.84, -17.82, 12.49)
CIE-LCH	lch(8.84, 21.76, 144.96°)
OKLab	oklab(20.76% -0.0551 0.0411)
OKLCH	oklch(20.76% 0.069 143.3)
XYZ	xyz(0.4954, 0.9821, 0.1922)
Luminance	0.0098 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001F01 #1F001E

analogous

#0E1F00 #001F01 #001F10

triadic

#001F01 #01001F #1F0100

tetradic

#001F01 #000E1F #1F001E #1F1000

square

#001F01 #000E1F #1F001E #1F1000

split-complementary

#001F01 #10001F #1F000E

monochromatic

#001F01 #001F01 #001F01 #005C03 #009905

Accessibility & contrast

On white

17.55

#001F01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#001F01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001F01

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001F01	#FFFFFF	#000000	##FFFFFF
##001F01	1.00	17.55	1.20	17.55
#FFFFFF	17.55	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201B00

Deuteranopia (green-blind)

#1C1803

Tritanopia (blue-blind)

#001E19

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #001f01;
/* rgb */ color: rgb(0, 31, 1);
/* oklch */ color: oklch(20.8% 0.069 143.3);

Tailwind

colors: {
  custom: {
    50: '#455a47',
    500: '#001f01',
    950: '#000000',
  },
}

SCSS

$custom: #001f01;
$custom-light: #455a47;
$custom-dark: #000000;

JSON

{
  "hex": "#001f01",
  "rgb": {
    "r": 0,
    "g": 31,
    "b": 1
  },
  "hsl": {
    "h": 121.935,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.20755,
    "c": 0.06877,
    "h": 143.3
  },
  "luminance": 0.00982
}

Semantic roles & 50–950 ramp

primary

#001F01

secondary

#681266

accent

#29F8FF

background

#F3F5F3

surface

#E5E9E5

border

#C1C5C1

text

#000400

muted

#767977

Preview Lab

Preview with #001F01

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

Preview Lab → · Contrast checker → · Palette generator →