#040F04#040F04

#040F04 is a very dark, muted green. Relative luminance 0.004; OKLCH L 15.2% C 0.032 H 143.8°. Best body text is #FFFFFF at 19.53:1 contrast (WCAG AA passes).

Color values

HEX	#040F04
RGB	rgb(4, 15, 4)
HSL	hsl(120, 58%, 4%)
HSV	hsv(120, 73%, 6%)
CMYK	cmyk(73.3%, 0%, 73.3%, 94.1%)
CIE-LAB	lab(3.40, -4.70, 3.36)
CIE-LCH	lch(3.40, 5.78, 144.45°)
OKLab	oklab(15.23% -0.0256 0.0187)
OKLCH	oklch(15.23% 0.032 143.8)
XYZ	xyz(0.2428, 0.3762, 0.1747)
Luminance	0.0038 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040F04 #0F040F

analogous

#090F04 #040F04 #040F09

triadic

#040F04 #04040F #0F0404

tetradic

#040F04 #04090F #0F040F #0F0904

square

#040F04 #04090F #0F040F #0F0904

split-complementary

#040F04 #09040F #0F0409

monochromatic

#061806 #061806 #061806 #113F11 #1E701E

Accessibility & contrast

On white

19.53

#040F04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040F04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040F04

19.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040F04	#FFFFFF	#000000	##FFFFFF
##040F04	1.00	19.53	1.08	19.53
#FFFFFF	19.53	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0D03

Deuteranopia (green-blind)

#0E0C05

Tritanopia (blue-blind)

#030E0C

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040f04;
/* rgb */ color: rgb(4, 15, 4);
/* oklch */ color: oklch(15.2% 0.032 143.8);

Tailwind

colors: {
  custom: {
    50: '#484e48',
    500: '#040f04',
    950: '#000000',
  },
}

SCSS

$custom: #040f04;
$custom-light: #484e48;
$custom-dark: #000000;

JSON

{
  "hex": "#040f04",
  "rgb": {
    "r": 4,
    "g": 15,
    "b": 4
  },
  "hsl": {
    "h": 120,
    "s": 57.895,
    "l": 3.725
  },
  "oklch": {
    "l": 0.15231,
    "c": 0.03174,
    "h": 143.8
  },
  "luminance": 0.00376
}

Semantic roles & 50–950 ramp

primary

#040F04

secondary

#4E214E

accent

#47E1E1

background

#F4F4F4

surface

#E6E7E6

border

#C2C3C2

text

#000100

muted

#777777

Preview Lab

Preview with #040F04

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

Preview Lab → · Contrast checker → · Palette generator →