#178F90#178F90

#178F90 is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.1% C 0.096 H 195.8°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#178F90
RGB	rgb(23, 143, 144)
HSL	hsl(180, 72%, 33%)
HSV	hsv(180, 84%, 56%)
CMYK	cmyk(84%, 0.7%, 0%, 43.5%)
CIE-LAB	lab(53.86, -29.66, -9.40)
CIE-LCH	lch(53.86, 31.11, 197.59°)
OKLab	oklab(59.11% -0.0927 -0.0262)
OKLCH	oklch(59.11% 0.096 195.8)
XYZ	xyz(15.2075, 21.8387, 29.7939)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F90 #901817

analogous

#179055 #178F90 #175290

triadic

#178F90 #90178F #8F9017

tetradic

#178F90 #551790 #901817 #529017

square

#178F90 #551790 #901817 #529017

split-complementary

#178F90 #901752 #905517

monochromatic

#062626 #0F5B5B #178F90 #1FC3C5 #41DFE1

Accessibility & contrast

On white

3.91

#178F90 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#178F90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F90

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F90	#FFFFFF	#000000	##000000
##178F90	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858890

Deuteranopia (green-blind)

#747C91

Tritanopia (blue-blind)

#00948F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #178f90;
/* rgb */ color: rgb(23, 143, 144);
/* oklch */ color: oklch(59.1% 0.096 195.8);

Tailwind

colors: {
  custom: {
    50: '#6fb0b0',
    500: '#178f90',
    950: '#000000',
  },
}

SCSS

$custom: #178f90;
$custom-light: #6fb0b0;
$custom-dark: #000000;

JSON

{
  "hex": "#178f90",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 144
  },
  "hsl": {
    "h": 180.496,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.59107,
    "c": 0.09628,
    "h": 195.8
  },
  "luminance": 0.21841
}

Semantic roles & 50–950 ramp

primary

#178F90

secondary

#C14342

accent

#3A39EF

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #178F90

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

Preview Lab → · Contrast checker → · Palette generator →