#040500#040500

#040500 is a very dark, muted yellow-green. Relative luminance 0.001; OKLCH L 10.9% C 0.025 H 116.4°. Best body text is #FFFFFF at 20.45:1 contrast (WCAG AA passes).

Color values

HEX	#040500
RGB	rgb(4, 5, 0)
HSL	hsl(72, 100%, 1%)
HSV	hsv(72, 100%, 2%)
CMYK	cmyk(20%, 0%, 100%, 98%)
CIE-LAB	lab(1.21, -0.96, 1.80)
CIE-LCH	lch(1.21, 2.04, 118.06°)
OKLab	oklab(10.91% -0.0111 0.0224)
OKLCH	oklch(10.91% 0.025 116.4)
XYZ	xyz(0.1043, 0.1344, 0.0204)
Luminance	0.0013 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040500 #010005

analogous

#050300 #040500 #010500

triadic

#040500 #000405 #050004

tetradic

#040500 #000503 #010005 #050001

square

#040500 #000503 #010005 #050001

split-complementary

#040500 #000105 #030005

monochromatic

#181F00 #181F00 #181F00 #354200 #667F00

Accessibility & contrast

On white

20.45

#040500 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#040500 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040500

20.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040500	#FFFFFF	#000000	##FFFFFF
##040500	1.00	20.45	1.03	20.45
#FFFFFF	20.45	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#060400

Deuteranopia (green-blind)

#060400

Tritanopia (blue-blind)

#050403

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #040500;
/* rgb */ color: rgb(4, 5, 0);
/* oklch */ color: oklch(10.9% 0.025 116.4);

Tailwind

colors: {
  custom: {
    50: '#484947',
    500: '#040500',
    950: '#000000',
  },
}

SCSS

$custom: #040500;
$custom-light: #484947;
$custom-dark: #000000;

JSON

{
  "hex": "#040500",
  "rgb": {
    "r": 4,
    "g": 5,
    "b": 0
  },
  "hsl": {
    "h": 72,
    "s": 100,
    "l": 0.98
  },
  "oklch": {
    "l": 0.10912,
    "c": 0.02504,
    "h": 116.4
  },
  "luminance": 0.00134
}

Semantic roles & 50–950 ramp

primary

#040500

secondary

#1C0F52

accent

#29FF54

background

#F4F4F3

surface

#E6E6E5

border

#C2C2C1

text

#000000

muted

#777777

Preview Lab

Preview with #040500

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

Preview Lab → · Contrast checker → · Palette generator →