#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
RGBrgb(23, 139, 92)
HSLhsl(156, 72%, 32%)
HSVhsv(156, 83%, 55%)
CMYKcmyk(83.5%, 0%, 33.8%, 45.5%)
CIE-LABlab(51.17, -42.12, 16.67)
CIE-LCHlch(51.17, 45.30, 158.41°)
OKLaboklab(56.46% -0.1142 0.0421)
OKLCHoklch(56.46% 0.122 159.8)
XYZxyz(11.5165, 19.4187, 13.2643)
Luminance0.1942 (WCAG relative)
Temperatureneutral
Familyteal

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
##178B5C1.004.304.884.88
#FFFFFF4.301.0021.0021.00
#0000004.8821.001.001.00
##0000004.8821.001.001.00

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 →

#178B5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva