#178B66#178B66

#178B66 is a mid, moderate teal. Relative luminance 0.196; OKLCH L 56.7% C 0.113 H 165.3°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#178B66
RGB	rgb(23, 139, 102)
HSL	hsl(161, 72%, 32%)
HSV	hsv(161, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 26.6%, 45.5%)
CIE-LAB	lab(51.39, -39.75, 11.26)
CIE-LCH	lch(51.39, 41.32, 164.18°)
OKLab	oklab(56.7% -0.1092 0.0287)
OKLCH	oklch(56.7% 0.113 165.3)
XYZ	xyz(11.9828, 19.6052, 15.7204)
Luminance	0.1961 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B66 #8B173C

analogous

#178B2C #178B66 #17768B

triadic

#178B66 #66178B #8B6617

tetradic

#178B66 #2C178B #8B173C #768B17

square

#178B66 #2C178B #8B173C #768B17

split-complementary

#178B66 #8B1776 #8B2C17

monochromatic

#062219 #0E563F #178B66 #20C08D #3DDFAB

Accessibility & contrast

On white

4.27

#178B66 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#178B66 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B66

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B66	#FFFFFF	#000000	##000000
##178B66	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#888064

Deuteranopia (green-blind)

#7A7668

Tritanopia (blue-blind)

#008B81

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178b66;
/* rgb */ color: rgb(23, 139, 102);
/* oklch */ color: oklch(56.7% 0.113 165.3);

Tailwind

colors: {
  custom: {
    50: '#6bae91',
    500: '#178b66',
    950: '#000000',
  },
}

SCSS

$custom: #178b66;
$custom-light: #6bae91;
$custom-dark: #000000;

JSON

{
  "hex": "#178b66",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 102
  },
  "hsl": {
    "h": 160.862,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56704,
    "c": 0.11293,
    "h": 165.3
  },
  "luminance": 0.19607
}

Semantic roles & 50–950 ramp

primary

#178B66

secondary

#BF3F68

accent

#3973EE

background

#F6FAF8

surface

#ECF4F0

border

#C7CECB

text

#08100C

muted

#7A7F7D

Preview Lab

Preview with #178B66

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

Preview Lab → · Contrast checker → · Palette generator →