#178D18#178D18

#178D18 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.1% C 0.179 H 142.8°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#178D18
RGB	rgb(23, 141, 24)
HSL	hsl(121, 72%, 32%)
HSV	hsv(121, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 83%, 44.7%)
CIE-LAB	lab(51.03, -52.56, 48.76)
CIE-LCH	lch(51.03, 71.69, 137.15°)
OKLab	oklab(56.07% -0.1426 0.1083)
OKLCH	oklch(56.07% 0.179 142.8)
XYZ	xyz(10.0425, 19.2966, 4.0593)
Luminance	0.1930 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D18 #8D178C

analogous

#518D17 #178D18 #178D53

triadic

#178D18 #18178D #8D1817

tetradic

#178D18 #17518D #8D178C #8D5317

square

#178D18 #17518D #8D178C #8D5317

split-complementary

#178D18 #53178D #8D1751

monochromatic

#062406 #0E580F #178D18 #20C221 #3FE040

Accessibility & contrast

On white

4.32

#178D18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#178D18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D18

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D18	#FFFFFF	#000000	##000000
##178D18	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F00

Deuteranopia (green-blind)

#847627

Tritanopia (blue-blind)

#008978

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d18;
/* rgb */ color: rgb(23, 141, 24);
/* oklch */ color: oklch(56.1% 0.179 142.8);

Tailwind

colors: {
  custom: {
    50: '#6db060',
    500: '#178d18',
    950: '#000000',
  },
}

SCSS

$custom: #178d18;
$custom-light: #6db060;
$custom-dark: #000000;

JSON

{
  "hex": "#178d18",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 24
  },
  "hsl": {
    "h": 120.508,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56074,
    "c": 0.17906,
    "h": 142.8
  },
  "luminance": 0.19298
}

Semantic roles & 50–950 ramp

primary

#178D18

secondary

#C040BF

accent

#39EDEF

background

#F7FAF5

surface

#EDF5EA

border

#C8CFC6

text

#081105

muted

#7B8079

Preview Lab

Preview with #178D18

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

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