#178F78#178F78

#178F78 is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.3% C 0.105 H 175.4°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#178F78
RGB	rgb(23, 143, 120)
HSL	hsl(169, 72%, 33%)
HSV	hsv(169, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 16.1%, 43.9%)
CIE-LAB	lab(53.15, -36.76, 3.41)
CIE-LCH	lch(53.15, 36.92, 174.70°)
OKLab	oklab(58.29% -0.1042 0.0085)
OKLCH	oklch(58.29% 0.105 175.4)
XYZ	xyz(13.5642, 21.1814, 21.1392)
Luminance	0.2118 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F78 #8F172E

analogous

#178F3C #178F78 #176A8F

triadic

#178F78 #78178F #8F7817

tetradic

#178F78 #3C178F #8F172E #6A8F17

square

#178F78 #3C178F #8F172E #6A8F17

split-complementary

#178F78 #8F176A #8F3C17

monochromatic

#062620 #0F5A4C #178F78 #1FC4A4 #40E0C2

Accessibility & contrast

On white

4.01

#178F78 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#178F78 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F78

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F78	#FFFFFF	#000000	##000000
##178F78	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#898577

Deuteranopia (green-blind)

#7B7A7A

Tritanopia (blue-blind)

#009188

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #178f78;
/* rgb */ color: rgb(23, 143, 120);
/* oklch */ color: oklch(58.3% 0.105 175.4);

Tailwind

colors: {
  custom: {
    50: '#6cb09e',
    500: '#178f78',
    950: '#000000',
  },
}

SCSS

$custom: #178f78;
$custom-light: #6cb09e;
$custom-dark: #000000;

JSON

{
  "hex": "#178f78",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 120
  },
  "hsl": {
    "h": 168.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58295,
    "c": 0.10457,
    "h": 175.4
  },
  "luminance": 0.21183
}

Semantic roles & 50–950 ramp

primary

#178F78

secondary

#C1415A

accent

#395CEF

background

#F7FAF9

surface

#EDF5F2

border

#C8CFCC

text

#08110E

muted

#7B807E

Preview Lab

Preview with #178F78

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

Preview Lab → · Contrast checker → · Palette generator →