#178B6F#178B6F

#178B6F is a mid, moderate teal. Relative luminance 0.198; OKLCH L 57.0% C 0.106 H 171.2°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#178B6F
RGB	rgb(23, 139, 111)
HSL	hsl(166, 72%, 32%)
HSV	hsv(166, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 20.1%, 45.5%)
CIE-LAB	lab(51.60, -37.44, 6.39)
CIE-LCH	lch(51.60, 37.98, 170.32°)
OKLab	oklab(56.95% -0.1047 0.0163)
OKLCH	oklch(56.95% 0.106 171.2)
XYZ	xyz(12.4536, 19.7935, 18.2000)
Luminance	0.1979 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B6F #8B1733

analogous

#178B35 #178B6F #176D8B

triadic

#178B6F #6F178B #8B6F17

tetradic

#178B6F #35178B #8B1733 #6D8B17

square

#178B6F #35178B #8B1733 #6D8B17

split-complementary

#178B6F #8B176D #8B3517

monochromatic

#06221B #0E5645 #178B6F #20C099 #3DDFB8

Accessibility & contrast

On white

4.23

#178B6F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#178B6F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B6F

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B6F	#FFFFFF	#000000	##000000
##178B6F	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87816E

Deuteranopia (green-blind)

#787771

Tritanopia (blue-blind)

#008C83

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178b6f;
/* rgb */ color: rgb(23, 139, 111);
/* oklch */ color: oklch(57.0% 0.106 171.2);

Tailwind

colors: {
  custom: {
    50: '#6bae98',
    500: '#178b6f',
    950: '#000000',
  },
}

SCSS

$custom: #178b6f;
$custom-light: #6bae98;
$custom-dark: #000000;

JSON

{
  "hex": "#178b6f",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 111
  },
  "hsl": {
    "h": 165.517,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56951,
    "c": 0.10592,
    "h": 171.2
  },
  "luminance": 0.19795
}

Semantic roles & 50–950 ramp

primary

#178B6F

secondary

#BF3F5E

accent

#3965EE

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100D

muted

#7B7F7E

Preview Lab

Preview with #178B6F

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

Preview Lab → · Contrast checker → · Palette generator →