#178D33#178D33

#178D33 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.3% C 0.162 H 146.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#178D33
RGB	rgb(23, 141, 51)
HSL	hsl(134, 72%, 32%)
HSV	hsv(134, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 63.8%, 44.7%)
CIE-LAB	lab(51.23, -50.07, 38.41)
CIE-LCH	lch(51.23, 63.11, 142.51°)
OKLab	oklab(56.3% -0.1347 0.09)
OKLCH	oklch(56.3% 0.162 146.3)
XYZ	xyz(10.4750, 19.4696, 6.3373)
Luminance	0.1947 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D33 #8D1771

analogous

#368D17 #178D33 #178D6E

triadic

#178D33 #33178D #8D3317

tetradic

#178D33 #17368D #8D1771 #8D6E17

square

#178D33 #17368D #8D1771 #8D6E17

split-complementary

#178D33 #6E178D #8D1736

monochromatic

#06240D #0E5820 #178D33 #20C246 #3FE065

Accessibility & contrast

On white

4.29

#178D33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#178D33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D33

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D33	#FFFFFF	#000000	##000000
##178D33	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F29

Deuteranopia (green-blind)

#82773B

Tritanopia (blue-blind)

#00897A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d33;
/* rgb */ color: rgb(23, 141, 51);
/* oklch */ color: oklch(56.3% 0.162 146.3);

Tailwind

colors: {
  custom: {
    50: '#6caf6e',
    500: '#178d33',
    950: '#000000',
  },
}

SCSS

$custom: #178d33;
$custom-light: #6caf6e;
$custom-dark: #000000;

JSON

{
  "hex": "#178d33",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 51
  },
  "hsl": {
    "h": 134.237,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56304,
    "c": 0.16199,
    "h": 146.3
  },
  "luminance": 0.19471
}

Semantic roles & 50–950 ramp

primary

#178D33

secondary

#C040A2

accent

#39C4EF

background

#F7FAF6

surface

#EDF5EC

border

#C8CFC7

text

#081107

muted

#7B807A

Preview Lab

Preview with #178D33

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

Preview Lab → · Contrast checker → · Palette generator →