#178D5C#178D5C

#178D5C is a mid, vivid teal. Relative luminance 0.200; OKLCH L 57.0% C 0.124 H 159.1°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX#178D5C
RGBrgb(23, 141, 92)
HSLhsl(155, 72%, 32%)
HSVhsv(155, 84%, 55%)
CMYKcmyk(83.7%, 0%, 34.8%, 44.7%)
CIE-LABlab(51.84, -42.92, 17.58)
CIE-LCHlch(51.84, 46.38, 157.73°)
OKLaboklab(57.01% -0.1163 0.0444)
OKLCHoklch(57.01% 0.124 159.1)
XYZxyz(11.8087, 20.0031, 13.3618)
Luminance0.2001 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178D5C #8D1748
analogous
#178D21 #178D5C #17838D
triadic
#178D5C #5C178D #8D5C17
tetradic
#178D5C #21178D #8D1748 #838D17
square
#178D5C #21178D #8D1748 #838D17
split-complementary
#178D5C #8D1783 #8D2117
monochromatic
#062417 #0E583A #178D5C #20C27E #3FE09D

Accessibility & contrast

On white

4.20
#178D5C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.00
#178D5C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D5C
5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178D5C#FFFFFF#000000##000000
##178D5C1.004.205.005.00
#FFFFFF4.201.0021.0021.00
#0000005.0021.001.001.00
##0000005.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B8159
Deuteranopia (green-blind)
#7E785F
Tritanopia (blue-blind)
#008C80
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #178d5c;
/* rgb */ color: rgb(23, 141, 92);
/* oklch */ color: oklch(57.0% 0.124 159.1);
Tailwind
colors: {
  custom: {
    50: '#6baf8a',
    500: '#178d5c',
    950: '#000000',
  },
}
SCSS
$custom: #178d5c;
$custom-light: #6baf8a;
$custom-dark: #000000;
JSON
{
  "hex": "#178d5c",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 92
  },
  "hsl": {
    "h": 155.085,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.57007,
    "c": 0.12444,
    "h": 159.1
  },
  "luminance": 0.20005
}

Semantic roles & 50–950 ramp

primary
#178D5C
secondary
#C04075
accent
#3985EF
background
#F7FAF8
surface
#EDF5F0
border
#C8CFCB
text
#08100B
muted
#7B7F7C

Preview Lab

Preview with #178D5C

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

Preview Lab → · Contrast checker → · Palette generator →

#178D5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva