#183903#183903

#183903 is a dark, moderate yellow-green. Relative luminance 0.031; OKLCH L 30.7% C 0.088 H 136.4°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#183903
RGB	rgb(24, 57, 3)
HSL	hsl(97, 90%, 12%)
HSV	hsv(97, 95%, 22%)
CMYK	cmyk(57.9%, 0%, 94.7%, 77.6%)
CIE-LAB	lab(20.55, -22.87, 26.96)
CIE-LCH	lch(20.55, 35.35, 130.32°)
OKLab	oklab(30.75% -0.0638 0.0609)
OKLCH	oklch(30.75% 0.088 136.4)
XYZ	xyz(1.8562, 3.1269, 0.5919)
Luminance	0.0313 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Dark Green

#033500

ΔE00 3.19

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183903 #240339

analogous

#333903 #183903 #033909

triadic

#183903 #031839 #390318

tetradic

#183903 #033339 #240339 #390903

square

#183903 #033339 #240339 #390903

split-complementary

#183903 #090339 #390333

monochromatic

#0C1D02 #0C1D02 #183903 #307306 #49AD09

Accessibility & contrast

On white

12.92

#183903 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#183903 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183903

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183903	#FFFFFF	#000000	##FFFFFF
##183903	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3300

Deuteranopia (green-blind)

#373008

Tritanopia (blue-blind)

#16362F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #183903;
/* rgb */ color: rgb(24, 57, 3);
/* oklch */ color: oklch(30.7% 0.088 136.4);

Tailwind

colors: {
  custom: {
    50: '#597049',
    500: '#183903',
    950: '#000000',
  },
}

SCSS

$custom: #183903;
$custom-light: #597049;
$custom-dark: #000000;

JSON

{
  "hex": "#183903",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 3
  },
  "hsl": {
    "h": 96.667,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.30747,
    "c": 0.08819,
    "h": 136.4
  },
  "luminance": 0.03127
}

Semantic roles & 50–950 ramp

primary

#183903

secondary

#571C7C

accent

#29FFAC

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #183903

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

Preview Lab → · Contrast checker → · Palette generator →