#178B5C#178B5C

#178B5C is a mid, vivid teal. Relative luminance 0.194; OKLCH L 56.5% C 0.122 H 159.8°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#178B5C
RGB	rgb(23, 139, 92)
HSL	hsl(156, 72%, 32%)
HSV	hsv(156, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 33.8%, 45.5%)
CIE-LAB	lab(51.17, -42.12, 16.67)
CIE-LCH	lch(51.17, 45.30, 158.41°)
OKLab	oklab(56.46% -0.1142 0.0421)
OKLCH	oklch(56.46% 0.122 159.8)
XYZ	xyz(11.5165, 19.4187, 13.2643)
Luminance	0.1942 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B5C #8B1746

analogous

#178B22 #178B5C #17808B

triadic

#178B5C #5C178B #8B5C17

tetradic

#178B5C #22178B #8B1746 #808B17

square

#178B5C #22178B #8B1746 #808B17

split-complementary

#178B5C #8B1780 #8B2217

monochromatic

#062216 #0E5639 #178B5C #20C07F #3DDF9E

Accessibility & contrast

On white

4.30

#178B5C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#178B5C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B5C

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B5C	#FFFFFF	#000000	##000000
##178B5C	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#898059

Deuteranopia (green-blind)

#7C765F

Tritanopia (blue-blind)

#008A7F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178b5c;
/* rgb */ color: rgb(23, 139, 92);
/* oklch */ color: oklch(56.5% 0.122 159.8);

Tailwind

colors: {
  custom: {
    50: '#6aae8a',
    500: '#178b5c',
    950: '#000000',
  },
}

SCSS

$custom: #178b5c;
$custom-light: #6aae8a;
$custom-dark: #000000;

JSON

{
  "hex": "#178b5c",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 92
  },
  "hsl": {
    "h": 155.69,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56456,
    "c": 0.12177,
    "h": 159.8
  },
  "luminance": 0.1942
}

Semantic roles & 50–950 ramp

primary

#178B5C

secondary

#BF3F73

accent

#3983EE

background

#F6FAF8

surface

#ECF4F0

border

#C7CECB

text

#08100B

muted

#7A7F7C

Preview Lab

Preview with #178B5C

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

Preview Lab → · Contrast checker → · Palette generator →