#178B2C#178B2C

#178B2C is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.7% C 0.165 H 145.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#178B2C
RGB	rgb(23, 139, 44)
HSL	hsl(131, 72%, 32%)
HSV	hsv(131, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 68.3%, 45.5%)
CIE-LAB	lab(50.49, -50.22, 40.75)
CIE-LCH	lch(50.49, 64.67, 140.94°)
OKLab	oklab(55.66% -0.1354 0.0942)
OKLCH	oklch(55.66% 0.165 145.2)
XYZ	xyz(10.0399, 18.8280, 5.4874)
Luminance	0.1883 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B2C #8B1776

analogous

#3C8B17 #178B2C #178B66

triadic

#178B2C #2C178B #8B2C17

tetradic

#178B2C #173C8B #8B1776 #8B6617

square

#178B2C #173C8B #8B1776 #8B6617

split-complementary

#178B2C #66178B #8B173C

monochromatic

#06220B #0E561B #178B2C #20C03D #3DDF5B

Accessibility & contrast

On white

4.41

#178B2C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#178B2C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B2C

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B2C	#FFFFFF	#000000	##000000
##178B2C	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7D1F

Deuteranopia (green-blind)

#817535

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178b2c;
/* rgb */ color: rgb(23, 139, 44);
/* oklch */ color: oklch(55.7% 0.165 145.2);

Tailwind

colors: {
  custom: {
    50: '#6cae6a',
    500: '#178b2c',
    950: '#000000',
  },
}

SCSS

$custom: #178b2c;
$custom-light: #6cae6a;
$custom-dark: #000000;

JSON

{
  "hex": "#178b2c",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 44
  },
  "hsl": {
    "h": 130.862,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55662,
    "c": 0.16493,
    "h": 145.2
  },
  "luminance": 0.18829
}

Semantic roles & 50–950 ramp

primary

#178B2C

secondary

#BF3FA7

accent

#39CEEE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #178B2C

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

Preview Lab → · Contrast checker → · Palette generator →