#178A66#178A66

#178A66 is a mid, moderate teal. Relative luminance 0.193; OKLCH L 56.4% C 0.112 H 165.7°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#178A66
RGBrgb(23, 138, 102)
HSLhsl(161, 71%, 32%)
HSVhsv(161, 83%, 54%)
CMYKcmyk(83.3%, 0%, 26.1%, 45.9%)
CIE-LABlab(51.06, -39.33, 10.80)
CIE-LCHlch(51.06, 40.79, 164.65°)
OKLaboklab(56.43% -0.1082 0.0276)
OKLCHoklch(56.43% 0.112 165.7)
XYZxyz(11.8387, 19.3169, 15.6724)
Luminance0.1932 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178A66 #8A173B
analogous
#178A2C #178A66 #17758A
triadic
#178A66 #66178A #8A6617
tetradic
#178A66 #2C178A #8A173B #758A17
square
#178A66 #2C178A #8A173B #758A17
split-complementary
#178A66 #8A1775 #8A2C17
monochromatic
#062118 #0E563F #178A66 #20BE8D #3DDFAC

Accessibility & contrast

On white

4.32
#178A66 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.86
#178A66 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A66
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178A66#FFFFFF#000000##000000
##178A661.004.324.864.86
#FFFFFF4.321.0021.0021.00
#0000004.8621.001.001.00
##0000004.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#877F64
Deuteranopia (green-blind)
#797668
Tritanopia (blue-blind)
#008A80
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #178a66;
/* rgb */ color: rgb(23, 138, 102);
/* oklch */ color: oklch(56.4% 0.112 165.7);
Tailwind
colors: {
  custom: {
    50: '#6aad91',
    500: '#178a66',
    950: '#000000',
  },
}
SCSS
$custom: #178a66;
$custom-light: #6aad91;
$custom-dark: #000000;
JSON
{
  "hex": "#178a66",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 102
  },
  "hsl": {
    "h": 161.217,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56431,
    "c": 0.11165,
    "h": 165.7
  },
  "luminance": 0.19318
}

Semantic roles & 50–950 ramp

primary
#178A66
secondary
#BE3F67
accent
#3A72EE
background
#F6FAF8
surface
#ECF4F0
border
#C7CECB
text
#08100C
muted
#7A7F7D

Preview Lab

Preview with #178A66

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

Preview Lab → · Contrast checker → · Palette generator →

#178A66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva