#178857#178857

#178857 is a mid, vivid teal. Relative luminance 0.185; OKLCH L 55.5% C 0.122 H 158.3°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#178857
RGBrgb(23, 136, 87)
HSLhsl(154, 71%, 31%)
HSVhsv(154, 83%, 53%)
CMYKcmyk(83.1%, 0%, 36%, 46.7%)
CIE-LABlab(50.07, -42.04, 18.00)
CIE-LCHlch(50.07, 45.73, 156.82°)
OKLaboklab(55.51% -0.1137 0.0453)
OKLCHoklch(55.51% 0.122 158.3)
XYZxyz(10.8767, 18.4772, 12.0082)
Luminance0.1848 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178857 #881748
analogous
#17881E #178857 #178088
triadic
#178857 #571788 #885717
tetradic
#178857 #1E1788 #881748 #808817
square
#178857 #1E1788 #881748 #808817
split-complementary
#178857 #881780 #881E17
monochromatic
#051F14 #0E5436 #178857 #20BC78 #3BDE97

Accessibility & contrast

On white

4.47
#178857 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.70
#178857 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178857
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178857#FFFFFF#000000##000000
##1788571.004.474.704.70
#FFFFFF4.471.0021.0021.00
#0000004.7021.001.001.00
##0000004.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#877D54
Deuteranopia (green-blind)
#7A735A
Tritanopia (blue-blind)
#00877B
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #178857;
/* rgb */ color: rgb(23, 136, 87);
/* oklch */ color: oklch(55.5% 0.122 158.3);
Tailwind
colors: {
  custom: {
    50: '#6aac86',
    500: '#178857',
    950: '#000000',
  },
}
SCSS
$custom: #178857;
$custom-light: #6aac86;
$custom-dark: #000000;
JSON
{
  "hex": "#178857",
  "rgb": {
    "r": 23,
    "g": 136,
    "b": 87
  },
  "hsl": {
    "h": 153.982,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.55513,
    "c": 0.12242,
    "h": 158.3
  },
  "luminance": 0.18479
}

Semantic roles & 50–950 ramp

primary
#178857
secondary
#BC3F75
accent
#3A88EE
background
#F6FAF8
surface
#ECF4EF
border
#C7CECA
text
#08100B
muted
#7A7F7C

Preview Lab

Preview with #178857

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

Preview Lab → · Contrast checker → · Palette generator →

#178857 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva