#178918#178918

#178918 is a mid, vivid green. Relative luminance 0.181; OKLCH L 54.9% C 0.175 H 142.8°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#178918
RGB	rgb(23, 137, 24)
HSL	hsl(121, 71%, 31%)
HSV	hsv(121, 83%, 54%)
CMYK	cmyk(83.2%, 0%, 82.5%, 46.3%)
CIE-LAB	lab(49.66, -51.29, 47.48)
CIE-LCH	lch(49.66, 69.89, 137.21°)
OKLab	oklab(54.93% -0.1392 0.1056)
OKLCH	oklch(54.93% 0.175 142.8)
XYZ	xyz(9.4633, 18.1383, 3.8663)
Luminance	0.1814 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178918 #891788

analogous

#4F8917 #178918 #178951

triadic

#178918 #181789 #891817

tetradic

#178918 #174F89 #891788 #895117

square

#178918 #174F89 #891788 #895117

split-complementary

#178918 #511789 #89174F

monochromatic

#052006 #0E550F #178918 #20BD21 #3CDE3E

Accessibility & contrast

On white

4.54

#178918 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#178918 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178918

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178918	#FFFFFF	#000000	##000000
##178918	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7B00

Deuteranopia (green-blind)

#807326

Tritanopia (blue-blind)

#008574

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #178918;
/* rgb */ color: rgb(23, 137, 24);
/* oklch */ color: oklch(54.9% 0.175 142.8);

Tailwind

colors: {
  custom: {
    50: '#6cad5f',
    500: '#178918',
    950: '#000000',
  },
}

SCSS

$custom: #178918;
$custom-light: #6cad5f;
$custom-dark: #000000;

JSON

{
  "hex": "#178918",
  "rgb": {
    "r": 23,
    "g": 137,
    "b": 24
  },
  "hsl": {
    "h": 120.526,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.54934,
    "c": 0.1747,
    "h": 142.8
  },
  "luminance": 0.18139
}

Semantic roles & 50–950 ramp

primary

#178918

secondary

#BD3FBC

accent

#3AECEE

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #178918

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

Preview Lab → · Contrast checker → · Palette generator →