#181F04#181F04

#181F04 is a very dark, muted yellow-green. Relative luminance 0.012; OKLCH L 22.5% C 0.047 H 122.2°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#181F04
RGB	rgb(24, 31, 4)
HSL	hsl(76, 77%, 7%)
HSV	hsv(76, 87%, 12%)
CMYK	cmyk(22.6%, 0%, 87.1%, 87.8%)
CIE-LAB	lab(10.43, -8.59, 13.74)
CIE-LCH	lch(10.43, 16.21, 122.01°)
OKLab	oklab(22.49% -0.025 0.0398)
OKLCH	oklch(22.49% 0.047 122.2)
XYZ	xyz(0.8886, 1.1829, 0.2964)
Luminance	0.0118 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 14.34

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181F04 #0B041F

analogous

#1F1904 #181F04 #0B1F04

triadic

#181F04 #04181F #1F0418

tetradic

#181F04 #041F19 #0B041F #1F040B

square

#181F04 #041F19 #0B041F #1F040B

split-complementary

#181F04 #040B1F #19041F

monochromatic

#151B03 #151B03 #181F04 #42550B #6C8B12

Accessibility & contrast

On white

16.98

#181F04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#181F04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181F04

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181F04	#FFFFFF	#000000	##FFFFFF
##181F04	1.00	16.98	1.24	16.98
#FFFFFF	16.98	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211C02

Deuteranopia (green-blind)

#211C05

Tritanopia (blue-blind)

#1A1D19

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #181f04;
/* rgb */ color: rgb(24, 31, 4);
/* oklch */ color: oklch(22.5% 0.047 122.2);

Tailwind

colors: {
  custom: {
    50: '#545a48',
    500: '#181f04',
    950: '#000000',
  },
}

SCSS

$custom: #181f04;
$custom-light: #545a48;
$custom-dark: #000000;

JSON

{
  "hex": "#181f04",
  "rgb": {
    "r": 24,
    "g": 31,
    "b": 4
  },
  "hsl": {
    "h": 75.556,
    "s": 77.143,
    "l": 6.863
  },
  "oklch": {
    "l": 0.22491,
    "c": 0.04699,
    "h": 122.2
  },
  "luminance": 0.01183
}

Semantic roles & 50–950 ramp

primary

#181F04

secondary

#2F1D62

accent

#34F466

background

#F4F5F4

surface

#E7E9E6

border

#C3C5C2

text

#030300

muted

#787877

Preview Lab

Preview with #181F04

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

Preview Lab → · Contrast checker → · Palette generator →