#178C31#178C31

#178C31 is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.0% C 0.162 H 146.0°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#178C31
RGB	rgb(23, 140, 49)
HSL	hsl(133, 72%, 32%)
HSV	hsv(133, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 65%, 45.1%)
CIE-LAB	lab(50.87, -49.98, 38.93)
CIE-LCH	lch(50.87, 63.35, 142.08°)
OKLab	oklab(56% -0.1345 0.0909)
OKLCH	oklch(56% 0.162 146)
XYZ	xyz(10.2850, 19.1588, 6.0611)
Luminance	0.1916 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C31 #8C1772

analogous

#388C17 #178C31 #178C6C

triadic

#178C31 #31178C #8C3117

tetradic

#178C31 #17388C #8C1772 #8C6C17

square

#178C31 #17388C #8C1772 #8C6C17

split-complementary

#178C31 #6C178C #8C1738

monochromatic

#06230C #0E571F #178C31 #20C143 #3EDF62

Accessibility & contrast

On white

4.35

#178C31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#178C31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C31

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C31	#FFFFFF	#000000	##000000
##178C31	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E26

Deuteranopia (green-blind)

#827639

Tritanopia (blue-blind)

#008879

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178c31;
/* rgb */ color: rgb(23, 140, 49);
/* oklch */ color: oklch(56.0% 0.162 146.0);

Tailwind

colors: {
  custom: {
    50: '#6caf6d',
    500: '#178c31',
    950: '#000000',
  },
}

SCSS

$custom: #178c31;
$custom-light: #6caf6d;
$custom-dark: #000000;

JSON

{
  "hex": "#178c31",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 49
  },
  "hsl": {
    "h": 133.333,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55999,
    "c": 0.16235,
    "h": 146
  },
  "luminance": 0.1916
}

Semantic roles & 50–950 ramp

primary

#178C31

secondary

#BF3FA3

accent

#39C6EF

background

#F7FAF6

surface

#EDF5EC

border

#C8CFC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #178C31

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

Preview Lab → · Contrast checker → · Palette generator →