#178E7A#178E7A

#178E7A is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.1% C 0.102 H 177.5°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#178E7A
RGB	rgb(23, 142, 122)
HSL	hsl(170, 72%, 32%)
HSV	hsv(170, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 14.1%, 44.3%)
CIE-LAB	lab(52.87, -35.76, 1.86)
CIE-LCH	lch(52.87, 35.80, 177.02°)
OKLab	oklab(58.09% -0.1022 0.0044)
OKLCH	oklch(58.09% 0.102 177.5)
XYZ	xyz(13.5374, 20.9316, 21.7353)
Luminance	0.2093 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E7A #8E172B

analogous

#178E3F #178E7A #17678E

triadic

#178E7A #7A178E #8E7A17

tetradic

#178E7A #3F178E #8E172B #678E17

square

#178E7A #3F178E #8E172B #678E17

split-complementary

#178E7A #8E1767 #8E3F17

monochromatic

#06251F #0E594D #178E7A #20C3A7 #3FE0C5

Accessibility & contrast

On white

4.05

#178E7A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#178E7A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E7A

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E7A	#FFFFFF	#000000	##000000
##178E7A	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#888579

Deuteranopia (green-blind)

#797A7C

Tritanopia (blue-blind)

#009088

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #178e7a;
/* rgb */ color: rgb(23, 142, 122);
/* oklch */ color: oklch(58.1% 0.102 177.5);

Tailwind

colors: {
  custom: {
    50: '#6cb0a0',
    500: '#178e7a',
    950: '#000000',
  },
}

SCSS

$custom: #178e7a;
$custom-light: #6cb0a0;
$custom-dark: #000000;

JSON

{
  "hex": "#178e7a",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 122
  },
  "hsl": {
    "h": 169.916,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.58089,
    "c": 0.10231,
    "h": 177.5
  },
  "luminance": 0.20933
}

Semantic roles & 50–950 ramp

primary

#178E7A

secondary

#C04056

accent

#3958EF

background

#F7FAF9

surface

#EDF5F2

border

#C8CFCC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #178E7A

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

Preview Lab → · Contrast checker → · Palette generator →