#040900#040900

#040900 is a very dark, muted yellow-green. Relative luminance 0.002; OKLCH L 12.8% C 0.034 H 128.4°. Best body text is #FFFFFF at 20.11:1 contrast (WCAG AA passes).

Color values

HEX	#040900
RGB	rgb(4, 9, 0)
HSL	hsl(93, 100%, 2%)
HSV	hsv(93, 100%, 4%)
CMYK	cmyk(55.6%, 0%, 100%, 96.5%)
CIE-LAB	lab(2.00, -2.56, 2.95)
CIE-LCH	lch(2.00, 3.90, 130.97°)
OKLab	oklab(12.79% -0.0209 0.0264)
OKLCH	oklch(12.79% 0.034 128.4)
XYZ	xyz(0.1478, 0.2212, 0.0349)
Luminance	0.0022 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040900 #050009

analogous

#090900 #040900 #000901

triadic

#040900 #000409 #090004

tetradic

#040900 #000909 #050009 #090100

square

#040900 #000909 #050009 #090100

split-complementary

#040900 #010009 #090009

monochromatic

#0E1F00 #0E1F00 #0E1F00 #1F4600 #3A8300

Accessibility & contrast

On white

20.11

#040900 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#040900 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040900

20.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040900	#FFFFFF	#000000	##FFFFFF
##040900	1.00	20.11	1.04	20.11
#FFFFFF	20.11	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0800

Deuteranopia (green-blind)

#090700

Tritanopia (blue-blind)

#040806

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #040900;
/* rgb */ color: rgb(4, 9, 0);
/* oklch */ color: oklch(12.8% 0.034 128.4);

Tailwind

colors: {
  custom: {
    50: '#484b47',
    500: '#040900',
    950: '#000000',
  },
}

SCSS

$custom: #040900;
$custom-light: #484b47;
$custom-dark: #000000;

JSON

{
  "hex": "#040900",
  "rgb": {
    "r": 4,
    "g": 9,
    "b": 0
  },
  "hsl": {
    "h": 93.333,
    "s": 100,
    "l": 1.765
  },
  "oklch": {
    "l": 0.12787,
    "c": 0.03364,
    "h": 128.4
  },
  "luminance": 0.00221
}

Semantic roles & 50–950 ramp

primary

#040900

secondary

#360F56

accent

#29FFA0

background

#F4F4F3

surface

#E6E7E5

border

#C2C3C1

text

#000100

muted

#777777

Preview Lab

Preview with #040900

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

Preview Lab → · Contrast checker → · Palette generator →