#178F4C#178F4C

#178F4C is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.2% C 0.142 H 152.3°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#178F4C
RGB	rgb(23, 143, 76)
HSL	hsl(147, 72%, 33%)
HSV	hsv(147, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 46.9%, 43.9%)
CIE-LAB	lab(52.23, -46.93, 26.92)
CIE-LCH	lch(52.23, 54.11, 150.16°)
OKLab	oklab(57.23% -0.126 0.0661)
OKLCH	oklch(57.23% 0.142 152.3)
XYZ	xyz(11.4793, 20.3475, 10.1585)
Luminance	0.2035 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F4C #8F175A

analogous

#1E8F17 #178F4C #178F88

triadic

#178F4C #4C178F #8F4C17

tetradic

#178F4C #171E8F #8F175A #8F8817

square

#178F4C #171E8F #8F175A #8F8817

split-complementary

#178F4C #88178F #8F171E

monochromatic

#062614 #0F5A30 #178F4C #1FC468 #40E087

Accessibility & contrast

On white

4.14

#178F4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#178F4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F4C

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F4C	#FFFFFF	#000000	##000000
##178F4C	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8247

Deuteranopia (green-blind)

#827951

Tritanopia (blue-blind)

#008D7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #178f4c;
/* rgb */ color: rgb(23, 143, 76);
/* oklch */ color: oklch(57.2% 0.142 152.3);

Tailwind

colors: {
  custom: {
    50: '#6bb17f',
    500: '#178f4c',
    950: '#000000',
  },
}

SCSS

$custom: #178f4c;
$custom-light: #6bb17f;
$custom-dark: #000000;

JSON

{
  "hex": "#178f4c",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 76
  },
  "hsl": {
    "h": 146.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57234,
    "c": 0.14231,
    "h": 152.3
  },
  "luminance": 0.20349
}

Semantic roles & 50–950 ramp

primary

#178F4C

secondary

#C14188

accent

#399FEF

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #178F4C

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

Preview Lab → · Contrast checker → · Palette generator →