#178B20#178B20

#178B20 is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.6% C 0.173 H 143.6°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#178B20
RGB	rgb(23, 139, 32)
HSL	hsl(125, 72%, 32%)
HSV	hsv(125, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 77%, 45.5%)
CIE-LAB	lab(50.39, -51.36, 45.50)
CIE-LCH	lch(50.39, 68.61, 138.46°)
OKLab	oklab(55.56% -0.139 0.1026)
OKLCH	oklch(55.56% 0.173 143.6)
XYZ	xyz(9.8460, 18.7505, 4.4665)
Luminance	0.1875 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B20 #8B1782

analogous

#488B17 #178B20 #178B5A

triadic

#178B20 #20178B #8B2017

tetradic

#178B20 #17488B #8B1782 #8B5A17

square

#178B20 #17488B #8B1782 #8B5A17

split-complementary

#178B20 #5A178B #8B1748

monochromatic

#062208 #0E5614 #178B20 #20C02C #3DDF4A

Accessibility & contrast

On white

4.42

#178B20 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#178B20 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B20

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B20	#FFFFFF	#000000	##000000
##178B20	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)

#8E7D09

Deuteranopia (green-blind)

#82752C

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178b20;
/* rgb */ color: rgb(23, 139, 32);
/* oklch */ color: oklch(55.6% 0.173 143.6);

Tailwind

colors: {
  custom: {
    50: '#6cae63',
    500: '#178b20',
    950: '#000000',
  },
}

SCSS

$custom: #178b20;
$custom-light: #6cae63;
$custom-dark: #000000;

JSON

{
  "hex": "#178b20",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 32
  },
  "hsl": {
    "h": 124.655,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55557,
    "c": 0.17277,
    "h": 143.6
  },
  "luminance": 0.18752
}

Semantic roles & 50–950 ramp

primary

#178B20

secondary

#BF3FB5

accent

#39E0EE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #178B20

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

Preview Lab → · Contrast checker → · Palette generator →