#183F18#183F18

#183F18 is a dark, moderate green. Relative luminance 0.038; OKLCH L 32.9% C 0.079 H 143.5°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#183F18
RGB	rgb(24, 63, 24)
HSL	hsl(120, 45%, 17%)
HSV	hsv(120, 62%, 25%)
CMYK	cmyk(61.9%, 0%, 61.9%, 75.3%)
CIE-LAB	lab(23.05, -23.30, 19.62)
CIE-LCH	lch(23.05, 30.46, 139.91°)
OKLab	oklab(32.88% -0.0633 0.0468)
OKLCH	oklch(32.88% 0.079 143.5)
XYZ	xyz(2.3189, 3.8150, 1.4781)
Luminance	0.0382 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Pine Green

#0A481E

ΔE00 3.74

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183F18 #3F183F

analogous

#2C3F18 #183F18 #183F2C

triadic

#183F18 #18183F #3F1818

tetradic

#183F18 #182C3F #3F183F #3F2C18

square

#183F18 #182C3F #3F183F #3F2C18

split-complementary

#183F18 #2C183F #3F182C

monochromatic

#081608 #081608 #183F18 #296B29 #3A983A

Accessibility & contrast

On white

11.91

#183F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#183F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183F18

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183F18	#FFFFFF	#000000	##FFFFFF
##183F18	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403914

Deuteranopia (green-blind)

#3B361B

Tritanopia (blue-blind)

#123D36

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183f18;
/* rgb */ color: rgb(24, 63, 24);
/* oklch */ color: oklch(32.9% 0.079 143.5);

Tailwind

colors: {
  custom: {
    50: '#597456',
    500: '#183f18',
    950: '#000000',
  },
}

SCSS

$custom: #183f18;
$custom-light: #597456;
$custom-dark: #000000;

JSON

{
  "hex": "#183f18",
  "rgb": {
    "r": 24,
    "g": 63,
    "b": 24
  },
  "hsl": {
    "h": 120,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.32878,
    "c": 0.07877,
    "h": 143.5
  },
  "luminance": 0.03815
}

Semantic roles & 50–950 ramp

primary

#183F18

secondary

#753D75

accent

#53D5D5

background

#F5F7F5

surface

#E9EDE9

border

#C5C8C5

text

#040803

muted

#797B78

Preview Lab

Preview with #183F18

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

Preview Lab → · Contrast checker → · Palette generator →