#178E5B#178E5B

#178E5B is a mid, vivid teal. Relative luminance 0.203; OKLCH L 57.3% C 0.127 H 158.4°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#178E5B
RGBrgb(23, 142, 91)
HSLhsl(154, 72%, 32%)
HSVhsv(154, 84%, 56%)
CMYKcmyk(83.8%, 0%, 35.9%, 44.3%)
CIE-LABlab(52.15, -43.54, 18.57)
CIE-LCHlch(52.15, 47.34, 156.91°)
OKLaboklab(57.26% -0.1178 0.0467)
OKLCHoklch(57.26% 0.127 158.4)
XYZxyz(11.9134, 20.2820, 13.1824)
Luminance0.2028 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178E5B #8E174A
analogous
#178E20 #178E5B #17858E
triadic
#178E5B #5B178E #8E5B17
tetradic
#178E5B #20178E #8E174A #858E17
square
#178E5B #20178E #8E174A #858E17
split-complementary
#178E5B #8E1785 #8E2017
monochromatic
#062517 #0E5939 #178E5B #20C37D #3FE09B

Accessibility & contrast

On white

4.15
#178E5B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.06
#178E5B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E5B
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178E5B#FFFFFF#000000##000000
##178E5B1.004.155.065.06
#FFFFFF4.151.0021.0021.00
#0000005.0621.001.001.00
##0000005.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D8258
Deuteranopia (green-blind)
#7F785E
Tritanopia (blue-blind)
#008D81
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #178e5b;
/* rgb */ color: rgb(23, 142, 91);
/* oklch */ color: oklch(57.3% 0.127 158.4);
Tailwind
colors: {
  custom: {
    50: '#6bb089',
    500: '#178e5b',
    950: '#000000',
  },
}
SCSS
$custom: #178e5b;
$custom-light: #6bb089;
$custom-dark: #000000;
JSON
{
  "hex": "#178e5b",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 91
  },
  "hsl": {
    "h": 154.286,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.57259,
    "c": 0.12672,
    "h": 158.4
  },
  "luminance": 0.20283
}

Semantic roles & 50–950 ramp

primary
#178E5B
secondary
#C04077
accent
#3987EF
background
#F7FAF8
surface
#EDF5F0
border
#C8CFCB
text
#08110B
muted
#7B807C

Preview Lab

Preview with #178E5B

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

Preview Lab → · Contrast checker → · Palette generator →

#178E5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva