#183309#183309

#183309 is a dark, moderate yellow-green. Relative luminance 0.026; OKLCH L 28.9% C 0.074 H 136.5°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#183309
RGB	rgb(24, 51, 9)
HSL	hsl(99, 70%, 12%)
HSV	hsv(99, 82%, 20%)
CMYK	cmyk(52.9%, 0%, 82.4%, 80%)
CIE-LAB	lab(18.28, -19.37, 21.91)
CIE-LCH	lch(18.28, 29.25, 131.47°)
OKLab	oklab(28.91% -0.0538 0.051)
OKLCH	oklch(28.91% 0.074 136.5)
XYZ	xyz(1.6098, 2.5815, 0.6718)
Luminance	0.0258 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183309 #240933

analogous

#2D3309 #183309 #09330F

triadic

#183309 #091833 #330918

tetradic

#183309 #092D33 #240933 #330F09

square

#183309 #092D33 #240933 #330F09

split-complementary

#183309 #0F0933 #33092D

monochromatic

#0C1A05 #0C1A05 #183309 #306712 #499B1B

Accessibility & contrast

On white

13.85

#183309 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#183309 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183309

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183309	#FFFFFF	#000000	##FFFFFF
##183309	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352E04

Deuteranopia (green-blind)

#312C0D

Tritanopia (blue-blind)

#17312B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #183309;
/* rgb */ color: rgb(24, 51, 9);
/* oklch */ color: oklch(28.9% 0.074 136.5);

Tailwind

colors: {
  custom: {
    50: '#586b4b',
    500: '#183309',
    950: '#000000',
  },
}

SCSS

$custom: #183309;
$custom-light: #586b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#183309",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 9
  },
  "hsl": {
    "h": 98.571,
    "s": 70,
    "l": 11.765
  },
  "oklch": {
    "l": 0.28906,
    "c": 0.0741,
    "h": 136.5
  },
  "luminance": 0.02582
}

Semantic roles & 50–950 ramp

primary

#183309

secondary

#572771

accent

#3BEDAD

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#030601

muted

#787A77

Preview Lab

Preview with #183309

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

Preview Lab → · Contrast checker → · Palette generator →