#178F5A#178F5A

#178F5A is a mid, vivid teal. Relative luminance 0.206; OKLCH L 57.5% C 0.129 H 157.6°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#178F5A
RGBrgb(23, 143, 90)
HSLhsl(154, 72%, 33%)
HSVhsv(154, 84%, 56%)
CMYKcmyk(83.9%, 0%, 37.1%, 43.9%)
CIE-LABlab(52.47, -44.15, 19.55)
CIE-LCHlch(52.47, 48.29, 156.12°)
OKLaboklab(57.51% -0.1193 0.0491)
OKLCHoklch(57.51% 0.129 157.6)
XYZxyz(12.0200, 20.5638, 13.0066)
Luminance0.2056 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178F5A #8F174C
analogous
#178F1E #178F5A #17888F
triadic
#178F5A #5A178F #8F5A17
tetradic
#178F5A #1E178F #8F174C #888F17
square
#178F5A #1E178F #8F174C #888F17
split-complementary
#178F5A #8F1788 #8F1E17
monochromatic
#062618 #0F5A39 #178F5A #1FC47B #40E09A

Accessibility & contrast

On white

4.11
#178F5A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.11
#178F5A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F5A
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178F5A#FFFFFF#000000##000000
##178F5A1.004.115.115.11
#FFFFFF4.111.0021.0021.00
#0000005.1121.001.001.00
##0000005.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E8357
Deuteranopia (green-blind)
#80795E
Tritanopia (blue-blind)
#008E81
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #178f5a;
/* rgb */ color: rgb(23, 143, 90);
/* oklch */ color: oklch(57.5% 0.129 157.6);
Tailwind
colors: {
  custom: {
    50: '#6bb189',
    500: '#178f5a',
    950: '#000000',
  },
}
SCSS
$custom: #178f5a;
$custom-light: #6bb189;
$custom-dark: #000000;
JSON
{
  "hex": "#178f5a",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 90
  },
  "hsl": {
    "h": 153.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57512,
    "c": 0.12898,
    "h": 157.6
  },
  "luminance": 0.20565
}

Semantic roles & 50–950 ramp

primary
#178F5A
secondary
#C14179
accent
#3989EF
background
#F7FBF8
surface
#EDF6F0
border
#C8D0CB
text
#08110B
muted
#7B807C

Preview Lab

Preview with #178F5A

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

Preview Lab → · Contrast checker → · Palette generator →

#178F5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva