#178F74#178F74

#178F74 is a mid, moderate teal. Relative luminance 0.211; OKLCH L 58.2% C 0.107 H 172.4°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#178F74
RGB	rgb(23, 143, 116)
HSL	hsl(167, 72%, 33%)
HSV	hsv(167, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 18.9%, 43.9%)
CIE-LAB	lab(53.04, -37.85, 5.57)
CIE-LCH	lch(53.04, 38.26, 171.63°)
OKLab	oklab(58.18% -0.1062 0.0141)
OKLCH	oklch(58.18% 0.107 172.4)
XYZ	xyz(13.3265, 21.0863, 19.8873)
Luminance	0.2109 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F74 #8F1732

analogous

#178F38 #178F74 #176E8F

triadic

#178F74 #74178F #8F7417

tetradic

#178F74 #38178F #8F1732 #6E8F17

square

#178F74 #38178F #8F1732 #6E8F17

split-complementary

#178F74 #8F176E #8F3817

monochromatic

#06261E #0F5A49 #178F74 #1FC49F #40E0BC

Accessibility & contrast

On white

4.02

#178F74 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#178F74 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F74

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F74	#FFFFFF	#000000	##000000
##178F74	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8573

Deuteranopia (green-blind)

#7B7A76

Tritanopia (blue-blind)

#009087

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #178f74;
/* rgb */ color: rgb(23, 143, 116);
/* oklch */ color: oklch(58.2% 0.107 172.4);

Tailwind

colors: {
  custom: {
    50: '#6cb09c',
    500: '#178f74',
    950: '#000000',
  },
}

SCSS

$custom: #178f74;
$custom-light: #6cb09c;
$custom-dark: #000000;

JSON

{
  "hex": "#178f74",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 116
  },
  "hsl": {
    "h": 166.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58175,
    "c": 0.10716,
    "h": 172.4
  },
  "luminance": 0.21088
}

Semantic roles & 50–950 ramp

primary

#178F74

secondary

#C1415E

accent

#3962EF

background

#F7FAF9

surface

#EDF5F2

border

#C8CFCC

text

#08110E

muted

#7B807E

Preview Lab

Preview with #178F74

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

Preview Lab → · Contrast checker → · Palette generator →