#188B1B#188B1B

#188B1B is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.5% C 0.175 H 143.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#188B1B
RGB	rgb(24, 139, 27)
HSL	hsl(122, 71%, 32%)
HSV	hsv(122, 83%, 55%)
CMYK	cmyk(82.7%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(50.38, -51.60, 47.21)
CIE-LCH	lch(50.38, 69.94, 137.54°)
OKLab	oklab(55.54% -0.1399 0.1055)
OKLCH	oklch(55.54% 0.175 143)
XYZ	xyz(9.8065, 18.7374, 4.1365)
Luminance	0.1874 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188B1B #8B1888

analogous

#4F8B18 #188B1B #188B55

triadic

#188B1B #1B188B #8B1B18

tetradic

#188B1B #184F8B #8B1888 #8B5518

square

#188B1B #184F8B #8B1888 #8B5518

split-complementary

#188B1B #55188B #8B184F

monochromatic

#062307 #0F5711 #188B1B #21BF25 #3FDE44

Accessibility & contrast

On white

4.42

#188B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#188B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188B1B

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188B1B	#FFFFFF	#000000	##000000
##188B1B	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#827528

Tritanopia (blue-blind)

#008776

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #188b1b;
/* rgb */ color: rgb(24, 139, 27);
/* oklch */ color: oklch(55.5% 0.175 143.0);

Tailwind

colors: {
  custom: {
    50: '#6dae61',
    500: '#188b1b',
    950: '#000000',
  },
}

SCSS

$custom: #188b1b;
$custom-light: #6dae61;
$custom-dark: #000000;

JSON

{
  "hex": "#188b1b",
  "rgb": {
    "r": 24,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 121.565,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55539,
    "c": 0.17523,
    "h": 143
  },
  "luminance": 0.18739
}

Semantic roles & 50–950 ramp

primary

#188B1B

secondary

#BE40BB

accent

#3AE9ED

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081005

muted

#7B7F7A

Preview Lab

Preview with #188B1B

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

Preview Lab → · Contrast checker → · Palette generator →