#178F22#178F22

#178F22 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.7% C 0.176 H 143.7°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#178F22
RGB	rgb(23, 143, 34)
HSL	hsl(126, 72%, 33%)
HSV	hsv(126, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 76.2%, 43.9%)
CIE-LAB	lab(51.77, -52.48, 46.14)
CIE-LCH	lch(51.77, 69.88, 138.68°)
OKLab	oklab(56.71% -0.142 0.1042)
OKLCH	oklch(56.71% 0.176 143.7)
XYZ	xyz(10.4638, 19.9413, 4.8106)
Luminance	0.1994 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F22 #8F1784

analogous

#488F17 #178F22 #178F5E

triadic

#178F22 #22178F #8F2217

tetradic

#178F22 #17488F #8F1784 #8F5E17

square

#178F22 #17488F #8F1784 #8F5E17

split-complementary

#178F22 #5E178F #8F1748

monochromatic

#062609 #0F5A15 #178F22 #1FC42F #40E04F

Accessibility & contrast

On white

4.21

#178F22 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#178F22 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F22

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F22	#FFFFFF	#000000	##000000
##178F22	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92810C

Deuteranopia (green-blind)

#85782E

Tritanopia (blue-blind)

#008B7A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178f22;
/* rgb */ color: rgb(23, 143, 34);
/* oklch */ color: oklch(56.7% 0.176 143.7);

Tailwind

colors: {
  custom: {
    50: '#6db165',
    500: '#178f22',
    950: '#000000',
  },
}

SCSS

$custom: #178f22;
$custom-light: #6db165;
$custom-dark: #000000;

JSON

{
  "hex": "#178f22",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 34
  },
  "hsl": {
    "h": 125.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56707,
    "c": 0.17612,
    "h": 143.7
  },
  "luminance": 0.19943
}

Semantic roles & 50–950 ramp

primary

#178F22

secondary

#C141B5

accent

#39DEEF

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081106

muted

#7B807A

Preview Lab

Preview with #178F22

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

Preview Lab → · Contrast checker → · Palette generator →