#178B63#178B63

#178B63 is a mid, moderate teal. Relative luminance 0.195; OKLCH L 56.6% C 0.115 H 163.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#178B63
RGB	rgb(23, 139, 99)
HSL	hsl(159, 72%, 32%)
HSV	hsv(159, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 28.8%, 45.5%)
CIE-LAB	lab(51.32, -40.49, 12.89)
CIE-LCH	lch(51.32, 42.49, 162.34°)
OKLab	oklab(56.63% -0.1107 0.0328)
OKLCH	oklch(56.63% 0.115 163.5)
XYZ	xyz(11.8368, 19.5468, 14.9510)
Luminance	0.1955 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B63 #8B173F

analogous

#178B29 #178B63 #17798B

triadic

#178B63 #63178B #8B6317

tetradic

#178B63 #29178B #8B173F #798B17

square

#178B63 #29178B #8B173F #798B17

split-complementary

#178B63 #8B1779 #8B2917

monochromatic

#062218 #0E563E #178B63 #20C088 #3DDFA7

Accessibility & contrast

On white

4.28

#178B63 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#178B63 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B63

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B63	#FFFFFF	#000000	##000000
##178B63	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#888061

Deuteranopia (green-blind)

#7B7666

Tritanopia (blue-blind)

#008B80

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178b63;
/* rgb */ color: rgb(23, 139, 99);
/* oklch */ color: oklch(56.6% 0.115 163.5);

Tailwind

colors: {
  custom: {
    50: '#6bae8f',
    500: '#178b63',
    950: '#000000',
  },
}

SCSS

$custom: #178b63;
$custom-light: #6bae8f;
$custom-dark: #000000;

JSON

{
  "hex": "#178b63",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 99
  },
  "hsl": {
    "h": 159.31,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56626,
    "c": 0.11549,
    "h": 163.5
  },
  "luminance": 0.19548
}

Semantic roles & 50–950 ramp

primary

#178B63

secondary

#BF3F6B

accent

#3978EE

background

#F6FAF8

surface

#ECF4F0

border

#C7CECB

text

#08100C

muted

#7A7F7D

Preview Lab

Preview with #178B63

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

Preview Lab → · Contrast checker → · Palette generator →