#183C05#183C05

#183C05 is a dark, moderate yellow-green. Relative luminance 0.034; OKLCH L 31.7% C 0.091 H 137.4°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#183C05
RGB	rgb(24, 60, 5)
HSL	hsl(99, 85%, 13%)
HSV	hsv(99, 92%, 24%)
CMYK	cmyk(60%, 0%, 91.7%, 76.5%)
CIE-LAB	lab(21.71, -24.07, 27.42)
CIE-LCH	lch(21.71, 36.48, 131.27°)
OKLab	oklab(31.72% -0.0668 0.0614)
OKLCH	oklch(31.72% 0.091 137.4)
XYZ	xyz(2.0199, 3.4367, 0.7005)
Luminance	0.0344 (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

#183C05 #29053C

analogous

#333C05 #183C05 #053C0E

triadic

#183C05 #05183C #3C0518

tetradic

#183C05 #05333C #29053C #3C0E05

square

#183C05 #05333C #29053C #3C0E05

split-complementary

#183C05 #0E053C #3C0533

monochromatic

#0B1C02 #0B1C02 #183C05 #2F740A #45AD0E

Accessibility & contrast

On white

12.45

#183C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#183C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C05

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183C05	#FFFFFF	#000000	##FFFFFF
##183C05	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)

#3A330B

Tritanopia (blue-blind)

#153932

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183c05;
/* rgb */ color: rgb(24, 60, 5);
/* oklch */ color: oklch(31.7% 0.091 137.4);

Tailwind

colors: {
  custom: {
    50: '#5a724a',
    500: '#183c05',
    950: '#000000',
  },
}

SCSS

$custom: #183c05;
$custom-light: #5a724a;
$custom-dark: #000000;

JSON

{
  "hex": "#183c05",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 5
  },
  "hsl": {
    "h": 99.273,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.31716,
    "c": 0.09075,
    "h": 137.4
  },
  "luminance": 0.03437
}

Semantic roles & 50–950 ramp

primary

#183C05

secondary

#5D207D

accent

#2DFBB4

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040801

muted

#797B77

Preview Lab

Preview with #183C05

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

Preview Lab → · Contrast checker → · Palette generator →