#183F0B#183F0B

#183F0B is a dark, moderate green. Relative luminance 0.038; OKLCH L 32.7% C 0.091 H 139.1°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#183F0B
RGB	rgb(24, 63, 11)
HSL	hsl(105, 70%, 15%)
HSV	hsv(105, 83%, 25%)
CMYK	cmyk(61.9%, 0%, 82.5%, 75.3%)
CIE-LAB	lab(22.91, -24.90, 26.22)
CIE-LCH	lch(22.91, 36.16, 133.52°)
OKLab	oklab(32.71% -0.0685 0.0593)
OKLCH	oklch(32.71% 0.091 139.1)
XYZ	xyz(2.2145, 3.7732, 0.9281)
Luminance	0.0377 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183F0B #320B3F

analogous

#323F0B #183F0B #0B3F18

triadic

#183F0B #0B183F #3F0B18

tetradic

#183F0B #0B323F #320B3F #3F180B

square

#183F0B #0B323F #320B3F #3F180B

split-complementary

#183F0B #180B3F #3F0B32

monochromatic

#0A1A05 #0A1A05 #183F0B #2C7314 #40A71D

Accessibility & contrast

On white

11.97

#183F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#183F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183F0B

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183F0B	#FFFFFF	#000000	##FFFFFF
##183F0B	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413904

Deuteranopia (green-blind)

#3C3510

Tritanopia (blue-blind)

#143D35

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183f0b;
/* rgb */ color: rgb(24, 63, 11);
/* oklch */ color: oklch(32.7% 0.091 139.1);

Tailwind

colors: {
  custom: {
    50: '#5a744e',
    500: '#183f0b',
    950: '#000000',
  },
}

SCSS

$custom: #183f0b;
$custom-light: #5a744e;
$custom-dark: #000000;

JSON

{
  "hex": "#183f0b",
  "rgb": {
    "r": 24,
    "g": 63,
    "b": 11
  },
  "hsl": {
    "h": 105,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.32714,
    "c": 0.09062,
    "h": 139.1
  },
  "luminance": 0.03773
}

Semantic roles & 50–950 ramp

primary

#183F0B

secondary

#672A7C

accent

#3BEDC0

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#040801

muted

#797B77

Preview Lab

Preview with #183F0B

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

Preview Lab → · Contrast checker → · Palette generator →