#178D1C#178D1C

#178D1C is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.1% C 0.177 H 143.1°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#178D1C
RGB	rgb(23, 141, 28)
HSL	hsl(123, 72%, 32%)
HSV	hsv(123, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 80.1%, 44.7%)
CIE-LAB	lab(51.05, -52.30, 47.53)
CIE-LCH	lch(51.05, 70.67, 137.73°)
OKLab	oklab(56.1% -0.1417 0.1063)
OKLCH	oklch(56.1% 0.177 143.1)
XYZ	xyz(10.0872, 19.3145, 4.2948)
Luminance	0.1932 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D1C #8D1788

analogous

#4D8D17 #178D1C #178D57

triadic

#178D1C #1C178D #8D1C17

tetradic

#178D1C #174D8D #8D1788 #8D5717

square

#178D1C #174D8D #8D1788 #8D5717

split-complementary

#178D1C #57178D #8D174D

monochromatic

#062407 #0E5812 #178D1C #20C226 #3FE046

Accessibility & contrast

On white

4.32

#178D1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#178D1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D1C

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D1C	#FFFFFF	#000000	##000000
##178D1C	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)

#847629

Tritanopia (blue-blind)

#008978

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d1c;
/* rgb */ color: rgb(23, 141, 28);
/* oklch */ color: oklch(56.1% 0.177 143.1);

Tailwind

colors: {
  custom: {
    50: '#6db062',
    500: '#178d1c',
    950: '#000000',
  },
}

SCSS

$custom: #178d1c;
$custom-light: #6db062;
$custom-dark: #000000;

JSON

{
  "hex": "#178d1c",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 28
  },
  "hsl": {
    "h": 122.542,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56098,
    "c": 0.17715,
    "h": 143.1
  },
  "luminance": 0.19316
}

Semantic roles & 50–950 ramp

primary

#178D1C

secondary

#C040BA

accent

#39E7EF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081105

muted

#7B807A

Preview Lab

Preview with #178D1C

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

Preview Lab → · Contrast checker → · Palette generator →