#183503#183503

#183503 is a dark, moderate yellow-green. Relative luminance 0.027; OKLCH L 29.5% C 0.083 H 135.4°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#183503
RGB	rgb(24, 53, 3)
HSL	hsl(95, 89%, 11%)
HSV	hsv(95, 94%, 21%)
CMYK	cmyk(54.7%, 0%, 94.3%, 79.2%)
CIE-LAB	lab(19.00, -20.98, 25.20)
CIE-LCH	lch(19.00, 32.79, 129.77°)
OKLab	oklab(29.48% -0.0587 0.058)
OKLCH	oklch(29.48% 0.083 135.4)
XYZ	xyz(1.6662, 2.7469, 0.5285)
Luminance	0.0275 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 6.81

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183503 #200335

analogous

#313503 #183503 #033507

triadic

#183503 #031835 #350318

tetradic

#183503 #033135 #200335 #350703

square

#183503 #033135 #200335 #350703

split-complementary

#183503 #070335 #350331

monochromatic

#0D1D02 #0D1D02 #183503 #326F06 #4CA90A

Accessibility & contrast

On white

13.55

#183503 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#183503 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183503

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183503	#FFFFFF	#000000	##FFFFFF
##183503	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373000

Deuteranopia (green-blind)

#342D08

Tritanopia (blue-blind)

#17332C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #183503;
/* rgb */ color: rgb(24, 53, 3);
/* oklch */ color: oklch(29.5% 0.083 135.4);

Tailwind

colors: {
  custom: {
    50: '#586c49',
    500: '#183503',
    950: '#000000',
  },
}

SCSS

$custom: #183503;
$custom-light: #586c49;
$custom-dark: #000000;

JSON

{
  "hex": "#183503",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 3
  },
  "hsl": {
    "h": 94.8,
    "s": 89.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.29476,
    "c": 0.08254,
    "h": 135.4
  },
  "luminance": 0.02747
}

Semantic roles & 50–950 ramp

primary

#183503

secondary

#511C78

accent

#29FFA5

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#030701

muted

#787A77

Preview Lab

Preview with #183503

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

Preview Lab → · Contrast checker → · Palette generator →