#188B31#188B31

#188B31 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.7% C 0.161 H 145.9°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#188B31
RGB	rgb(24, 139, 49)
HSL	hsl(133, 71%, 32%)
HSV	hsv(133, 83%, 55%)
CMYK	cmyk(82.7%, 0%, 64.7%, 45.5%)
CIE-LAB	lab(50.55, -49.52, 38.57)
CIE-LCH	lch(50.55, 62.77, 142.09°)
OKLab	oklab(55.73% -0.1333 0.0901)
OKLCH	oklch(55.73% 0.161 145.9)
XYZ	xyz(10.1629, 18.8799, 6.0137)
Luminance	0.1888 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188B31 #8B1872

analogous

#398B18 #188B31 #188B6A

triadic

#188B31 #31188B #8B3118

tetradic

#188B31 #18398B #8B1872 #8B6A18

square

#188B31 #18398B #8B1872 #8B6A18

split-complementary

#188B31 #6A188B #8B1839

monochromatic

#06230C #0F571F #188B31 #21BF43 #3FDE62

Accessibility & contrast

On white

4.40

#188B31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#188B31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188B31

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188B31	#FFFFFF	#000000	##000000
##188B31	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E27

Deuteranopia (green-blind)

#817539

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #188b31;
/* rgb */ color: rgb(24, 139, 49);
/* oklch */ color: oklch(55.7% 0.161 145.9);

Tailwind

colors: {
  custom: {
    50: '#6cae6d',
    500: '#188b31',
    950: '#000000',
  },
}

SCSS

$custom: #188b31;
$custom-light: #6cae6d;
$custom-dark: #000000;

JSON

{
  "hex": "#188b31",
  "rgb": {
    "r": 24,
    "g": 139,
    "b": 49
  },
  "hsl": {
    "h": 133.043,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55732,
    "c": 0.16091,
    "h": 145.9
  },
  "luminance": 0.18881
}

Semantic roles & 50–950 ramp

primary

#188B31

secondary

#BE40A3

accent

#3AC6ED

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #188B31

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

Preview Lab → · Contrast checker → · Palette generator →