#040F00#040F00

#040F00 is a very dark, muted green. Relative luminance 0.004; OKLCH L 15.1% C 0.044 H 134.7°. Best body text is #FFFFFF at 19.56:1 contrast (WCAG AA passes).

Color values

HEX	#040F00
RGB	rgb(4, 15, 0)
HSL	hsl(104, 100%, 3%)
HSV	hsv(104, 100%, 6%)
CMYK	cmyk(73.3%, 0%, 100%, 94.1%)
CIE-LAB	lab(3.32, -5.26, 4.87)
CIE-LCH	lch(3.32, 7.17, 137.16°)
OKLab	oklab(15.07% -0.0308 0.0311)
OKLCH	oklch(15.07% 0.044 134.7)
XYZ	xyz(0.2209, 0.3674, 0.0593)
Luminance	0.0037 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040F00 #0B000F

analogous

#0B0F00 #040F00 #000F03

triadic

#040F00 #00040F #0F0004

tetradic

#040F00 #000B0F #0B000F #0F0300

square

#040F00 #000B0F #0B000F #0F0300

split-complementary

#040F00 #03000F #0F000B

monochromatic

#081F00 #081F00 #081F00 #144C00 #258900

Accessibility & contrast

On white

19.56

#040F00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#040F00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040F00

19.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040F00	#FFFFFF	#000000	##FFFFFF
##040F00	1.00	19.56	1.07	19.56
#FFFFFF	19.56	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100D00

Deuteranopia (green-blind)

#0E0C01

Tritanopia (blue-blind)

#040E0B

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040f00;
/* rgb */ color: rgb(4, 15, 0);
/* oklch */ color: oklch(15.1% 0.044 134.7);

Tailwind

colors: {
  custom: {
    50: '#484e47',
    500: '#040f00',
    950: '#000000',
  },
}

SCSS

$custom: #040f00;
$custom-light: #484e47;
$custom-dark: #000000;

JSON

{
  "hex": "#040f00",
  "rgb": {
    "r": 4,
    "g": 15,
    "b": 0
  },
  "hsl": {
    "h": 104,
    "s": 100,
    "l": 2.941
  },
  "oklch": {
    "l": 0.1507,
    "c": 0.04376,
    "h": 134.7
  },
  "luminance": 0.00367
}

Semantic roles & 50–950 ramp

primary

#040F00

secondary

#47105B

accent

#29FFC6

background

#F4F4F3

surface

#E6E7E5

border

#C2C3C1

text

#000100

muted

#777777

Preview Lab

Preview with #040F00

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

Preview Lab → · Contrast checker → · Palette generator →