#178E5A#178E5A

#178E5A is a mid, vivid teal. Relative luminance 0.203; OKLCH L 57.2% C 0.128 H 157.9°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX#178E5A
RGBrgb(23, 142, 90)
HSLhsl(154, 72%, 32%)
HSVhsv(154, 84%, 56%)
CMYKcmyk(83.8%, 0%, 36.6%, 44.3%)
CIE-LABlab(52.14, -43.76, 19.10)
CIE-LCHlch(52.14, 47.75, 156.42°)
OKLaboklab(57.24% -0.1183 0.048)
OKLCHoklch(57.24% 0.128 157.9)
XYZxyz(11.8706, 20.2649, 12.9568)
Luminance0.2027 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178E5A #8E174B
analogous
#178E1F #178E5A #17868E
triadic
#178E5A #5A178E #8E5A17
tetradic
#178E5A #1F178E #8E174B #868E17
square
#178E5A #1F178E #8E174B #868E17
split-complementary
#178E5A #8E1786 #8E1F17
monochromatic
#062517 #0E5939 #178E5A #20C37B #3FE09A

Accessibility & contrast

On white

4.16
#178E5A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.05
#178E5A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E5A
5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178E5A#FFFFFF#000000##000000
##178E5A1.004.165.055.05
#FFFFFF4.161.0021.0021.00
#0000005.0521.001.001.00
##0000005.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D8257
Deuteranopia (green-blind)
#7F785D
Tritanopia (blue-blind)
#008D81
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #178e5a;
/* rgb */ color: rgb(23, 142, 90);
/* oklch */ color: oklch(57.2% 0.128 157.9);
Tailwind
colors: {
  custom: {
    50: '#6bb089',
    500: '#178e5a',
    950: '#000000',
  },
}
SCSS
$custom: #178e5a;
$custom-light: #6bb089;
$custom-dark: #000000;
JSON
{
  "hex": "#178e5a",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 90
  },
  "hsl": {
    "h": 153.782,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.57237,
    "c": 0.12765,
    "h": 157.9
  },
  "luminance": 0.20266
}

Semantic roles & 50–950 ramp

primary
#178E5A
secondary
#C04078
accent
#3988EF
background
#F7FAF8
surface
#EDF5F0
border
#C8CFCB
text
#08110B
muted
#7B807C

Preview Lab

Preview with #178E5A

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

Preview Lab → · Contrast checker → · Palette generator →

#178E5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva