#183305#183305

#183305 is a dark, moderate yellow-green. Relative luminance 0.026; OKLCH L 28.9% C 0.078 H 135.3°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#183305
RGB	rgb(24, 51, 5)
HSL	hsl(95, 82%, 11%)
HSV	hsv(95, 90%, 20%)
CMYK	cmyk(52.9%, 0%, 90.2%, 80%)
CIE-LAB	lab(18.24, -19.78, 23.50)
CIE-LCH	lch(18.24, 30.72, 130.10°)
OKLab	oklab(28.86% -0.0553 0.0546)
OKLCH	oklch(28.86% 0.078 135.3)
XYZ	xyz(1.5879, 2.5727, 0.5565)
Luminance	0.0257 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183305 #200533

analogous

#2F3305 #183305 #053309

triadic

#183305 #051833 #330518

tetradic

#183305 #052F33 #200533 #330905

square

#183305 #052F33 #200533 #330905

split-complementary

#183305 #090533 #33052F

monochromatic

#0D1C03 #0D1C03 #183305 #326B0A #4CA210

Accessibility & contrast

On white

13.87

#183305 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#183305 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183305

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183305	#FFFFFF	#000000	##FFFFFF
##183305	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352E00

Deuteranopia (green-blind)

#322C09

Tritanopia (blue-blind)

#17312A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #183305;
/* rgb */ color: rgb(24, 51, 5);
/* oklch */ color: oklch(28.9% 0.078 135.3);

Tailwind

colors: {
  custom: {
    50: '#586b49',
    500: '#183305',
    950: '#000000',
  },
}

SCSS

$custom: #183305;
$custom-light: #586b49;
$custom-dark: #000000;

JSON

{
  "hex": "#183305",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 5
  },
  "hsl": {
    "h": 95.217,
    "s": 82.143,
    "l": 10.98
  },
  "oklch": {
    "l": 0.28862,
    "c": 0.07774,
    "h": 135.3
  },
  "luminance": 0.02573
}

Semantic roles & 50–950 ramp

primary

#183305

secondary

#511F74

accent

#2FF8A5

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#030601

muted

#787A77

Preview Lab

Preview with #183305

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

Preview Lab → · Contrast checker → · Palette generator →