#183A18#183A18

#183A18 is a dark, moderate green. Relative luminance 0.033; OKLCH L 31.3% C 0.070 H 143.7°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#183A18
RGB	rgb(24, 58, 24)
HSL	hsl(120, 41%, 16%)
HSV	hsv(120, 59%, 23%)
CMYK	cmyk(58.6%, 0%, 58.6%, 77.3%)
CIE-LAB	lab(21.16, -20.87, 17.32)
CIE-LCH	lch(21.16, 27.12, 140.31°)
OKLab	oklab(31.32% -0.0567 0.0417)
OKLCH	oklch(31.32% 0.07 143.7)
XYZ	xyz(2.0545, 3.2861, 1.3900)
Luminance	0.0329 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183A18 #3A183A

analogous

#293A18 #183A18 #183A29

triadic

#183A18 #18183A #3A1818

tetradic

#183A18 #18293A #3A183A #3A2918

square

#183A18 #18293A #3A183A #3A2918

split-complementary

#183A18 #29183A #3A1829

monochromatic

#091609 #091609 #183A18 #2A652A #3C913C

Accessibility & contrast

On white

12.67

#183A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#183A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A18

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183A18	#FFFFFF	#000000	##FFFFFF
##183A18	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3515

Deuteranopia (green-blind)

#37321A

Tritanopia (blue-blind)

#133832

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183a18;
/* rgb */ color: rgb(24, 58, 24);
/* oklch */ color: oklch(31.3% 0.070 143.7);

Tailwind

colors: {
  custom: {
    50: '#587055',
    500: '#183a18',
    950: '#000000',
  },
}

SCSS

$custom: #183a18;
$custom-light: #587055;
$custom-dark: #000000;

JSON

{
  "hex": "#183a18",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 24
  },
  "hsl": {
    "h": 120,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31322,
    "c": 0.07045,
    "h": 143.7
  },
  "luminance": 0.03286
}

Semantic roles & 50–950 ramp

primary

#183A18

secondary

#703E70

accent

#57D1D1

background

#F5F6F5

surface

#E9ECE9

border

#C5C7C5

text

#030703

muted

#787A78

Preview Lab

Preview with #183A18

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

Preview Lab → · Contrast checker → · Palette generator →