#178B1E#178B1E

#178B1E is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.5% C 0.174 H 143.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#178B1E
RGB	rgb(23, 139, 30)
HSL	hsl(124, 72%, 32%)
HSV	hsv(124, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 78.4%, 45.5%)
CIE-LAB	lab(50.38, -51.51, 46.20)
CIE-LCH	lch(50.38, 69.19, 138.11°)
OKLab	oklab(55.54% -0.1395 0.1038)
OKLCH	oklch(55.54% 0.174 143.4)
XYZ	xyz(9.8197, 18.7399, 4.3277)
Luminance	0.1874 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B1E #8B1784

analogous

#4A8B17 #178B1E #178B58

triadic

#178B1E #1E178B #8B1E17

tetradic

#178B1E #174A8B #8B1784 #8B5817

square

#178B1E #174A8B #8B1784 #8B5817

split-complementary

#178B1E #58178B #8B174A

monochromatic

#062207 #0E5613 #178B1E #20C029 #3DDF47

Accessibility & contrast

On white

4.42

#178B1E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#178B1E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B1E

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B1E	#FFFFFF	#000000	##000000
##178B1E	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)

#8E7D04

Deuteranopia (green-blind)

#82752A

Tritanopia (blue-blind)

#008776

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178b1e;
/* rgb */ color: rgb(23, 139, 30);
/* oklch */ color: oklch(55.5% 0.174 143.4);

Tailwind

colors: {
  custom: {
    50: '#6cae62',
    500: '#178b1e',
    950: '#000000',
  },
}

SCSS

$custom: #178b1e;
$custom-light: #6cae62;
$custom-dark: #000000;

JSON

{
  "hex": "#178b1e",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 30
  },
  "hsl": {
    "h": 123.621,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55543,
    "c": 0.17388,
    "h": 143.4
  },
  "luminance": 0.18741
}

Semantic roles & 50–950 ramp

primary

#178B1E

secondary

#BF3FB7

accent

#39E3EE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #178B1E

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

Preview Lab → · Contrast checker → · Palette generator →