#178F55#178F55

#178F55 is a mid, vivid teal. Relative luminance 0.205; OKLCH L 57.4% C 0.134 H 155.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#178F55
RGBrgb(23, 143, 85)
HSLhsl(151, 72%, 33%)
HSVhsv(151, 84%, 56%)
CMYKcmyk(83.9%, 0%, 40.6%, 43.9%)
CIE-LABlab(52.38, -45.20, 22.21)
CIE-LCHlch(52.38, 50.36, 153.83°)
OKLaboklab(57.41% -0.1217 0.0554)
OKLCHoklch(57.41% 0.134 155.5)
XYZxyz(11.8143, 20.4815, 11.9232)
Luminance0.2048 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178F55 #8F1751
analogous
#178F19 #178F55 #178D8F
triadic
#178F55 #55178F #8F5517
tetradic
#178F55 #19178F #8F1751 #8D8F17
square
#178F55 #19178F #8F1751 #8D8F17
split-complementary
#178F55 #8F178D #8F1917
monochromatic
#062616 #0F5A36 #178F55 #1FC474 #40E093

Accessibility & contrast

On white

4.12
#178F55 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.10
#178F55 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F55
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178F55#FFFFFF#000000##000000
##178F551.004.125.105.10
#FFFFFF4.121.0021.0021.00
#0000005.1021.001.001.00
##0000005.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E8351
Deuteranopia (green-blind)
#817959
Tritanopia (blue-blind)
#008D80
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #178f55;
/* rgb */ color: rgb(23, 143, 85);
/* oklch */ color: oklch(57.4% 0.134 155.5);
Tailwind
colors: {
  custom: {
    50: '#6bb185',
    500: '#178f55',
    950: '#000000',
  },
}
SCSS
$custom: #178f55;
$custom-light: #6bb185;
$custom-dark: #000000;
JSON
{
  "hex": "#178f55",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 85
  },
  "hsl": {
    "h": 151,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57407,
    "c": 0.13372,
    "h": 155.5
  },
  "luminance": 0.20483
}

Semantic roles & 50–950 ramp

primary
#178F55
secondary
#C1417F
accent
#3991EF
background
#F7FBF8
surface
#EDF6EF
border
#C8D0CA
text
#08110B
muted
#7B807C

Preview Lab

Preview with #178F55

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

Preview Lab → · Contrast checker → · Palette generator →

#178F55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva