#178579#178579

#178579 is a mid, moderate teal. Relative luminance 0.183; OKLCH L 55.6% C 0.094 H 183.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#178579
RGB	rgb(23, 133, 121)
HSL	hsl(173, 71%, 31%)
HSV	hsv(173, 83%, 52%)
CMYK	cmyk(82.7%, 0%, 9%, 47.8%)
CIE-LAB	lab(49.90, -31.91, -1.90)
CIE-LCH	lch(49.90, 31.96, 183.40°)
OKLab	oklab(55.65% -0.0935 -0.0056)
OKLCH	oklch(55.65% 0.094 183.5)
XYZ	xyz(12.1904, 18.3362, 20.9822)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178579 #851723

analogous

#178542 #178579 #175A85

triadic

#178579 #791785 #857917

tetradic

#178579 #421785 #851723 #5A8517

square

#178579 #421785 #851723 #5A8517

split-complementary

#178579 #85175A #854217

monochromatic

#051D1A #0E514A #178579 #20B9A8 #3ADDCB

Accessibility & contrast

On white

4.50

#178579 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#178579 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178579

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178579	#FFFFFF	#000000	##000000
##178579	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7D79

Deuteranopia (green-blind)

#70727A

Tritanopia (blue-blind)

#008881

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #178579;
/* rgb */ color: rgb(23, 133, 121);
/* oklch */ color: oklch(55.6% 0.094 183.5);

Tailwind

colors: {
  custom: {
    50: '#6ba99f',
    500: '#178579',
    950: '#000000',
  },
}

SCSS

$custom: #178579;
$custom-light: #6ba99f;
$custom-dark: #000000;

JSON

{
  "hex": "#178579",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 121
  },
  "hsl": {
    "h": 173.455,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.55649,
    "c": 0.09365,
    "h": 183.5
  },
  "luminance": 0.18338
}

Semantic roles & 50–950 ramp

primary

#178579

secondary

#B93F4C

accent

#3B4EED

background

#F6FAF9

surface

#ECF4F2

border

#C7CECC

text

#08100E

muted

#7A7F7E

Preview Lab

Preview with #178579

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

Preview Lab → · Contrast checker → · Palette generator →