#178C1D#178C1D

#178C1D is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.8% C 0.176 H 143.2°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#178C1D
RGB	rgb(23, 140, 29)
HSL	hsl(123, 72%, 32%)
HSV	hsv(123, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 79.3%, 45.1%)
CIE-LAB	lab(50.72, -51.91, 46.87)
CIE-LCH	lch(50.72, 69.94, 137.92°)
OKLab	oklab(55.82% -0.1406 0.1051)
OKLCH	oklch(55.82% 0.176 143.2)
XYZ	xyz(9.9525, 19.0258, 4.3100)
Luminance	0.1903 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C1D #8C1786

analogous

#4C8C17 #178C1D #178C58

triadic

#178C1D #1D178C #8C1D17

tetradic

#178C1D #174C8C #8C1786 #8C5817

square

#178C1D #174C8C #8C1786 #8C5817

split-complementary

#178C1D #58178C #8C174C

monochromatic

#062307 #0E5712 #178C1D #20C128 #3EDF46

Accessibility & contrast

On white

4.37

#178C1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#178C1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C1D

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C1D	#FFFFFF	#000000	##000000
##178C1D	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E01

Deuteranopia (green-blind)

#83752A

Tritanopia (blue-blind)

#008877

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178c1d;
/* rgb */ color: rgb(23, 140, 29);
/* oklch */ color: oklch(55.8% 0.176 143.2);

Tailwind

colors: {
  custom: {
    50: '#6daf62',
    500: '#178c1d',
    950: '#000000',
  },
}

SCSS

$custom: #178c1d;
$custom-light: #6daf62;
$custom-dark: #000000;

JSON

{
  "hex": "#178c1d",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 29
  },
  "hsl": {
    "h": 123.077,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.5582,
    "c": 0.17553,
    "h": 143.2
  },
  "luminance": 0.19027
}

Semantic roles & 50–950 ramp

primary

#178C1D

secondary

#BF3FB9

accent

#39E5EF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081005

muted

#7B7F7A

Preview Lab

Preview with #178C1D

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

Preview Lab → · Contrast checker → · Palette generator →