#178D4B#178D4B

#178D4B is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.7% C 0.141 H 152.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX#178D4B
RGBrgb(23, 141, 75)
HSLhsl(146, 72%, 32%)
HSVhsv(146, 84%, 55%)
CMYKcmyk(83.7%, 0%, 46.8%, 44.7%)
CIE-LABlab(51.54, -46.38, 26.58)
CIE-LCHlch(51.54, 53.46, 150.18°)
OKLaboklab(56.66% -0.1245 0.0653)
OKLCHoklch(56.66% 0.141 152.3)
XYZxyz(11.1472, 19.7385, 9.8777)
Luminance0.1974 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178D4B #8D1759
analogous
#1E8D17 #178D4B #178D86
triadic
#178D4B #4B178D #8D4B17
tetradic
#178D4B #171E8D #8D1759 #8D8617
square
#178D4B #171E8D #8D1759 #8D8617
split-complementary
#178D4B #86178D #8D171E
monochromatic
#062413 #0E582F #178D4B #20C267 #3FE086

Accessibility & contrast

On white

4.24
#178D4B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.95
#178D4B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D4B
4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178D4B#FFFFFF#000000##000000
##178D4B1.004.244.954.95
#FFFFFF4.241.0021.0021.00
#0000004.9521.001.001.00
##0000004.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D8046
Deuteranopia (green-blind)
#807750
Tritanopia (blue-blind)
#008B7D
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #178d4b;
/* rgb */ color: rgb(23, 141, 75);
/* oklch */ color: oklch(56.7% 0.141 152.3);
Tailwind
colors: {
  custom: {
    50: '#6baf7e',
    500: '#178d4b',
    950: '#000000',
  },
}
SCSS
$custom: #178d4b;
$custom-light: #6baf7e;
$custom-dark: #000000;
JSON
{
  "hex": "#178d4b",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 75
  },
  "hsl": {
    "h": 146.441,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.5666,
    "c": 0.14061,
    "h": 152.3
  },
  "luminance": 0.1974
}

Semantic roles & 50–950 ramp

primary
#178D4B
secondary
#C04087
accent
#399FEF
background
#F7FAF7
surface
#EDF5EE
border
#C8CFC9
text
#08100A
muted
#7B7F7C

Preview Lab

Preview with #178D4B

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

Preview Lab → · Contrast checker → · Palette generator →

#178D4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva