#178C33#178C33

#178C33 is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.0% C 0.161 H 146.3°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#178C33
RGB	rgb(23, 140, 51)
HSL	hsl(134, 72%, 32%)
HSV	hsv(134, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 63.6%, 45.1%)
CIE-LAB	lab(50.89, -49.73, 38.02)
CIE-LCH	lch(50.89, 62.60, 142.60°)
OKLab	oklab(56.02% -0.1338 0.0891)
OKLCH	oklch(56.02% 0.161 146.3)
XYZ	xyz(10.3282, 19.1761, 6.2883)
Luminance	0.1918 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C33 #8C1770

analogous

#368C17 #178C33 #178C6E

triadic

#178C33 #33178C #8C3317

tetradic

#178C33 #17368C #8C1770 #8C6E17

square

#178C33 #17368C #8C1770 #8C6E17

split-complementary

#178C33 #6E178C #8C1736

monochromatic

#06230D #0E5720 #178C33 #20C146 #3EDF65

Accessibility & contrast

On white

4.34

#178C33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#178C33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C33

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C33	#FFFFFF	#000000	##000000
##178C33	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7F29

Deuteranopia (green-blind)

#81763B

Tritanopia (blue-blind)

#008979

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178c33;
/* rgb */ color: rgb(23, 140, 51);
/* oklch */ color: oklch(56.0% 0.161 146.3);

Tailwind

colors: {
  custom: {
    50: '#6caf6e',
    500: '#178c33',
    950: '#000000',
  },
}

SCSS

$custom: #178c33;
$custom-light: #6caf6e;
$custom-dark: #000000;

JSON

{
  "hex": "#178c33",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 51
  },
  "hsl": {
    "h": 134.359,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.56022,
    "c": 0.16077,
    "h": 146.3
  },
  "luminance": 0.19177
}

Semantic roles & 50–950 ramp

primary

#178C33

secondary

#BF3FA1

accent

#39C3EF

background

#F7FAF6

surface

#EDF5EC

border

#C8CFC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #178C33

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

Preview Lab → · Contrast checker → · Palette generator →