#178578#178578

#178578 is a mid, moderate teal. Relative luminance 0.183; OKLCH L 55.6% C 0.094 H 182.5°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#178578
RGB	rgb(23, 133, 120)
HSL	hsl(173, 71%, 31%)
HSV	hsv(173, 83%, 52%)
CMYK	cmyk(82.7%, 0%, 9.8%, 47.8%)
CIE-LAB	lab(49.87, -32.20, -1.36)
CIE-LCH	lch(49.87, 32.23, 182.41°)
OKLab	oklab(55.62% -0.094 -0.0042)
OKLCH	oklch(55.62% 0.094 182.5)
XYZ	xyz(12.1294, 18.3118, 20.6609)
Luminance	0.1831 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178578 #851724

analogous

#178541 #178578 #175B85

triadic

#178578 #781785 #857817

tetradic

#178578 #411785 #851724 #5B8517

square

#178578 #411785 #851724 #5B8517

split-complementary

#178578 #85175B #854117

monochromatic

#051D1A #0E5149 #178578 #20B9A7 #3ADDCA

Accessibility & contrast

On white

4.50

#178578 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#178578 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178578

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178578	#FFFFFF	#000000	##000000
##178578	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7D78

Deuteranopia (green-blind)

#707279

Tritanopia (blue-blind)

#008881

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #178578;
/* rgb */ color: rgb(23, 133, 120);
/* oklch */ color: oklch(55.6% 0.094 182.5);

Tailwind

colors: {
  custom: {
    50: '#6ba99e',
    500: '#178578',
    950: '#000000',
  },
}

SCSS

$custom: #178578;
$custom-light: #6ba99e;
$custom-dark: #000000;

JSON

{
  "hex": "#178578",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 120
  },
  "hsl": {
    "h": 172.909,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.55615,
    "c": 0.09407,
    "h": 182.5
  },
  "luminance": 0.18313
}

Semantic roles & 50–950 ramp

primary

#178578

secondary

#B93F4D

accent

#3B50ED

background

#F6FAF9

surface

#ECF4F2

border

#C7CECC

text

#08100E

muted

#7A7F7E

Preview Lab

Preview with #178578

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

Preview Lab → · Contrast checker → · Palette generator →