#178D22#178D22

#178D22 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.1% C 0.174 H 143.8°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#178D22
RGB	rgb(23, 141, 34)
HSL	hsl(126, 72%, 32%)
HSV	hsv(126, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 75.9%, 44.7%)
CIE-LAB	lab(51.09, -51.84, 45.46)
CIE-LCH	lch(51.09, 68.94, 138.75°)
OKLab	oklab(56.14% -0.1402 0.1028)
OKLCH	oklch(56.14% 0.174 143.8)
XYZ	xyz(10.1663, 19.3462, 4.7114)
Luminance	0.1935 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D22 #8D1782

analogous

#478D17 #178D22 #178D5D

triadic

#178D22 #22178D #8D2217

tetradic

#178D22 #17478D #8D1782 #8D5D17

square

#178D22 #17478D #8D1782 #8D5D17

split-complementary

#178D22 #5D178D #8D1747

monochromatic

#062409 #0E5815 #178D22 #20C22F #3FE04E

Accessibility & contrast

On white

4.31

#178D22 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#178D22 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D22

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D22	#FFFFFF	#000000	##000000
##178D22	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F0D

Deuteranopia (green-blind)

#83762E

Tritanopia (blue-blind)

#008978

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d22;
/* rgb */ color: rgb(23, 141, 34);
/* oklch */ color: oklch(56.1% 0.174 143.8);

Tailwind

colors: {
  custom: {
    50: '#6db065',
    500: '#178d22',
    950: '#000000',
  },
}

SCSS

$custom: #178d22;
$custom-light: #6db065;
$custom-dark: #000000;

JSON

{
  "hex": "#178d22",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 34
  },
  "hsl": {
    "h": 125.593,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.5614,
    "c": 0.17387,
    "h": 143.8
  },
  "luminance": 0.19347
}

Semantic roles & 50–950 ramp

primary

#178D22

secondary

#C040B4

accent

#39DEEF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081106

muted

#7B807A

Preview Lab

Preview with #178D22

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

Preview Lab → · Contrast checker → · Palette generator →