#178E78#178E78

#178E78 is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.0% C 0.103 H 176.0°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#178E78
RGB	rgb(23, 142, 120)
HSL	hsl(169, 72%, 32%)
HSV	hsv(169, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 15.5%, 44.3%)
CIE-LAB	lab(52.82, -36.31, 2.94)
CIE-LCH	lch(52.82, 36.43, 175.37°)
OKLab	oklab(58.03% -0.1032 0.0072)
OKLCH	oklch(58.03% 0.103 176)
XYZ	xyz(13.4147, 20.8825, 21.0894)
Luminance	0.2088 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E78 #8E172D

analogous

#178E3D #178E78 #17688E

triadic

#178E78 #78178E #8E7817

tetradic

#178E78 #3D178E #8E172D #688E17

square

#178E78 #3D178E #8E172D #688E17

split-complementary

#178E78 #8E1768 #8E3D17

monochromatic

#06251F #0E594B #178E78 #20C3A5 #3FE0C2

Accessibility & contrast

On white

4.06

#178E78 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#178E78 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E78

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E78	#FFFFFF	#000000	##000000
##178E78	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#888477

Deuteranopia (green-blind)

#7A7A7A

Tritanopia (blue-blind)

#009087

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #178e78;
/* rgb */ color: rgb(23, 142, 120);
/* oklch */ color: oklch(58.0% 0.103 176.0);

Tailwind

colors: {
  custom: {
    50: '#6cb09e',
    500: '#178e78',
    950: '#000000',
  },
}

SCSS

$custom: #178e78;
$custom-light: #6cb09e;
$custom-dark: #000000;

JSON

{
  "hex": "#178e78",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 120
  },
  "hsl": {
    "h": 168.908,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.58027,
    "c": 0.10347,
    "h": 176
  },
  "luminance": 0.20884
}

Semantic roles & 50–950 ramp

primary

#178E78

secondary

#C04058

accent

#395BEF

background

#F7FAF9

surface

#EDF5F2

border

#C8CFCC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #178E78

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

Preview Lab → · Contrast checker → · Palette generator →