#178D55#178D55

#178D55 is a mid, vivid teal. Relative luminance 0.199; OKLCH L 56.9% C 0.131 H 156.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX#178D55
RGBrgb(23, 141, 85)
HSLhsl(152, 72%, 32%)
HSVhsv(152, 84%, 55%)
CMYKcmyk(83.7%, 0%, 39.7%, 44.7%)
CIE-LABlab(51.71, -44.43, 21.32)
CIE-LCHlch(51.71, 49.28, 154.36°)
OKLaboklab(56.85% -0.1197 0.0533)
OKLCHoklch(56.85% 0.131 156)
XYZxyz(11.5168, 19.8864, 11.8240)
Luminance0.1989 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178D55 #8D174F
analogous
#178D1A #178D55 #178A8D
triadic
#178D55 #55178D #8D5517
tetradic
#178D55 #1A178D #8D174F #8A8D17
square
#178D55 #1A178D #8D174F #8A8D17
split-complementary
#178D55 #8D178A #8D1A17
monochromatic
#062416 #0E5835 #178D55 #20C275 #3FE093

Accessibility & contrast

On white

4.22
#178D55 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.98
#178D55 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D55
4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178D55#FFFFFF#000000##000000
##178D551.004.224.984.98
#FFFFFF4.221.0021.0021.00
#0000004.9821.001.001.00
##0000004.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C8151
Deuteranopia (green-blind)
#7F7759
Tritanopia (blue-blind)
#008C7F
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #178d55;
/* rgb */ color: rgb(23, 141, 85);
/* oklch */ color: oklch(56.9% 0.131 156.0);
Tailwind
colors: {
  custom: {
    50: '#6baf85',
    500: '#178d55',
    950: '#000000',
  },
}
SCSS
$custom: #178d55;
$custom-light: #6baf85;
$custom-dark: #000000;
JSON
{
  "hex": "#178d55",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 85
  },
  "hsl": {
    "h": 151.525,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56854,
    "c": 0.13104,
    "h": 156
  },
  "luminance": 0.19888
}

Semantic roles & 50–950 ramp

primary
#178D55
secondary
#C0407D
accent
#398FEF
background
#F7FAF8
surface
#EDF5EF
border
#C8CFCA
text
#08100B
muted
#7B7F7C

Preview Lab

Preview with #178D55

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

Preview Lab → · Contrast checker → · Palette generator →

#178D55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva