#178B84#178B84

#178B84 is a mid, moderate teal. Relative luminance 0.203; OKLCH L 57.6% C 0.095 H 188.4°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#178B84
RGB	rgb(23, 139, 132)
HSL	hsl(176, 72%, 32%)
HSV	hsv(176, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 5%, 45.5%)
CIE-LAB	lab(52.19, -31.44, -4.94)
CIE-LCH	lch(52.19, 31.83, 188.92°)
OKLab	oklab(57.62% -0.0943 -0.0139)
OKLCH	oklch(57.62% 0.095 188.4)
XYZ	xyz(13.7488, 20.3116, 25.0212)
Luminance	0.2031 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B84 #8B171E

analogous

#178B4A #178B84 #17588B

triadic

#178B84 #84178B #8B8417

tetradic

#178B84 #4A178B #8B171E #588B17

square

#178B84 #4A178B #8B171E #588B17

split-complementary

#178B84 #8B1758 #8B4A17

monochromatic

#062220 #0E5652 #178B84 #20C0B6 #3DDFD5

Accessibility & contrast

On white

4.15

#178B84 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#178B84 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B84

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B84	#FFFFFF	#000000	##000000
##178B84	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#838384

Deuteranopia (green-blind)

#737885

Tritanopia (blue-blind)

#008F89

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #178b84;
/* rgb */ color: rgb(23, 139, 132);
/* oklch */ color: oklch(57.6% 0.095 188.4);

Tailwind

colors: {
  custom: {
    50: '#6dada7',
    500: '#178b84',
    950: '#000000',
  },
}

SCSS

$custom: #178b84;
$custom-light: #6dada7;
$custom-dark: #000000;

JSON

{
  "hex": "#178b84",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 132
  },
  "hsl": {
    "h": 176.379,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.57624,
    "c": 0.09531,
    "h": 188.4
  },
  "luminance": 0.20313
}

Semantic roles & 50–950 ramp

primary

#178B84

secondary

#BF3F47

accent

#3944EE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#08100F

muted

#7B7F7F

Preview Lab

Preview with #178B84

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

Preview Lab → · Contrast checker → · Palette generator →