#183C04#183C04

#183C04 is a dark, moderate yellow-green. Relative luminance 0.034; OKLCH L 31.7% C 0.092 H 137.2°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#183C04
RGB	rgb(24, 60, 4)
HSL	hsl(99, 88%, 13%)
HSV	hsv(99, 93%, 24%)
CMYK	cmyk(60%, 0%, 93.3%, 76.5%)
CIE-LAB	lab(21.71, -24.16, 27.82)
CIE-LCH	lch(21.71, 36.84, 130.97°)
OKLab	oklab(31.71% -0.0671 0.0622)
OKLCH	oklch(31.71% 0.092 137.2)
XYZ	xyz(2.0144, 3.4345, 0.6716)
Luminance	0.0343 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183C04 #28043C

analogous

#343C04 #183C04 #043C0C

triadic

#183C04 #04183C #3C0418

tetradic

#183C04 #04343C #28043C #3C0C04

square

#183C04 #04343C #28043C #3C0C04

split-complementary

#183C04 #0C043C #3C0434

monochromatic

#0B1D02 #0B1D02 #183C04 #2F7508 #46AF0C

Accessibility & contrast

On white

12.45

#183C04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#183C04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C04

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C04	#FFFFFF	#000000	##FFFFFF
##183C04	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3600

Deuteranopia (green-blind)

#3A330A

Tritanopia (blue-blind)

#163932

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183c04;
/* rgb */ color: rgb(24, 60, 4);
/* oklch */ color: oklch(31.7% 0.092 137.2);

Tailwind

colors: {
  custom: {
    50: '#5a724a',
    500: '#183c04',
    950: '#000000',
  },
}

SCSS

$custom: #183c04;
$custom-light: #5a724a;
$custom-dark: #000000;

JSON

{
  "hex": "#183c04",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 4
  },
  "hsl": {
    "h": 98.571,
    "s": 87.5,
    "l": 12.549
  },
  "oklch": {
    "l": 0.31707,
    "c": 0.09153,
    "h": 137.2
  },
  "luminance": 0.03435
}

Semantic roles & 50–950 ramp

primary

#183C04

secondary

#5C1E7E

accent

#2AFEB2

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040801

muted

#797B77

Preview Lab

Preview with #183C04

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

Preview Lab → · Contrast checker → · Palette generator →