#178B49#178B49

#178B49 is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.1% C 0.140 H 152.0°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX#178B49
RGBrgb(23, 139, 73)
HSLhsl(146, 72%, 32%)
HSVhsv(146, 83%, 55%)
CMYKcmyk(83.5%, 0%, 47.5%, 45.5%)
CIE-LABlab(50.84, -46.00, 26.76)
CIE-LCHlch(50.84, 53.22, 149.81°)
OKLaboklab(56.07% -0.1235 0.0656)
OKLCHoklch(56.07% 0.14 152)
XYZxyz(10.7876, 19.1271, 9.4254)
Luminance0.1913 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178B49 #8B1759
analogous
#1F8B17 #178B49 #178B83
triadic
#178B49 #49178B #8B4917
tetradic
#178B49 #171F8B #8B1759 #8B8317
square
#178B49 #171F8B #8B1759 #8B8317
split-complementary
#178B49 #83178B #8B171F
monochromatic
#062212 #0E562D #178B49 #20C065 #3DDF83

Accessibility & contrast

On white

4.35
#178B49 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.83
#178B49 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B49
4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178B49#FFFFFF#000000##000000
##178B491.004.354.834.83
#FFFFFF4.351.0021.0021.00
#0000004.8321.001.001.00
##0000004.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B7F44
Deuteranopia (green-blind)
#7E754E
Tritanopia (blue-blind)
#00897B
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #178b49;
/* rgb */ color: rgb(23, 139, 73);
/* oklch */ color: oklch(56.1% 0.140 152.0);
Tailwind
colors: {
  custom: {
    50: '#6aae7d',
    500: '#178b49',
    950: '#000000',
  },
}
SCSS
$custom: #178b49;
$custom-light: #6aae7d;
$custom-dark: #000000;
JSON
{
  "hex": "#178b49",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 73
  },
  "hsl": {
    "h": 145.862,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56066,
    "c": 0.13986,
    "h": 152
  },
  "luminance": 0.19128
}

Semantic roles & 50–950 ramp

primary
#178B49
secondary
#BF3F88
accent
#39A0EE
background
#F6FAF7
surface
#ECF4EE
border
#C7CEC9
text
#081009
muted
#7A7F7B

Preview Lab

Preview with #178B49

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

Preview Lab → · Contrast checker → · Palette generator →

#178B49 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva