#178D1D#178D1D

#178D1D is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.1% C 0.177 H 143.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#178D1D
RGB	rgb(23, 141, 29)
HSL	hsl(123, 72%, 32%)
HSV	hsv(123, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 79.4%, 44.7%)
CIE-LAB	lab(51.06, -52.23, 47.20)
CIE-LCH	lch(51.06, 70.39, 137.89°)
OKLab	oklab(56.11% -0.1415 0.1057)
OKLCH	oklch(56.11% 0.177 143.2)
XYZ	xyz(10.0993, 19.3194, 4.3589)
Luminance	0.1932 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D1D #8D1787

analogous

#4C8D17 #178D1D #178D58

triadic

#178D1D #1D178D #8D1D17

tetradic

#178D1D #174C8D #8D1787 #8D5817

square

#178D1D #174C8D #8D1787 #8D5817

split-complementary

#178D1D #58178D #8D174C

monochromatic

#062407 #0E5812 #178D1D #20C228 #3FE047

Accessibility & contrast

On white

4.32

#178D1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#178D1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D1D

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D1D	#FFFFFF	#000000	##000000
##178D1D	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)

#84762A

Tritanopia (blue-blind)

#008978

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d1d;
/* rgb */ color: rgb(23, 141, 29);
/* oklch */ color: oklch(56.1% 0.177 143.2);

Tailwind

colors: {
  custom: {
    50: '#6db062',
    500: '#178d1d',
    950: '#000000',
  },
}

SCSS

$custom: #178d1d;
$custom-light: #6db062;
$custom-dark: #000000;

JSON

{
  "hex": "#178d1d",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 29
  },
  "hsl": {
    "h": 123.051,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56105,
    "c": 0.17664,
    "h": 143.2
  },
  "luminance": 0.19321
}

Semantic roles & 50–950 ramp

primary

#178D1D

secondary

#C040B9

accent

#39E5EF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081106

muted

#7B807A

Preview Lab

Preview with #178D1D

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

Preview Lab → · Contrast checker → · Palette generator →