#178E18#178E18

#178E18 is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.4% C 0.180 H 142.8°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#178E18
RGB	rgb(23, 142, 24)
HSL	hsl(121, 72%, 32%)
HSV	hsv(121, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 83.1%, 44.3%)
CIE-LAB	lab(51.37, -52.87, 49.08)
CIE-LCH	lch(51.37, 72.14, 137.13°)
OKLab	oklab(56.36% -0.1435 0.109)
OKLCH	oklch(56.36% 0.18 142.8)
XYZ	xyz(10.1906, 19.5929, 4.1087)
Luminance	0.1959 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E18 #8E178D

analogous

#528E17 #178E18 #178E53

triadic

#178E18 #18178E #8E1817

tetradic

#178E18 #17528E #8E178D #8E5317

square

#178E18 #17528E #8E178D #8E5317

split-complementary

#178E18 #53178E #8E1752

monochromatic

#062506 #0E590F #178E18 #20C321 #3FE041

Accessibility & contrast

On white

4.27

#178E18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#178E18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E18

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E18	#FFFFFF	#000000	##000000
##178E18	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918000

Deuteranopia (green-blind)

#857727

Tritanopia (blue-blind)

#008A79

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178e18;
/* rgb */ color: rgb(23, 142, 24);
/* oklch */ color: oklch(56.4% 0.180 142.8);

Tailwind

colors: {
  custom: {
    50: '#6db060',
    500: '#178e18',
    950: '#000000',
  },
}

SCSS

$custom: #178e18;
$custom-light: #6db060;
$custom-dark: #000000;

JSON

{
  "hex": "#178e18",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 24
  },
  "hsl": {
    "h": 120.504,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56358,
    "c": 0.18015,
    "h": 142.8
  },
  "luminance": 0.19594
}

Semantic roles & 50–950 ramp

primary

#178E18

secondary

#C040BF

accent

#39EDEF

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081105

muted

#7B807A

Preview Lab

Preview with #178E18

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

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