#178B35#178B35

#178B35 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.8% C 0.158 H 146.8°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#178B35
RGBrgb(23, 139, 53)
HSLhsl(136, 72%, 32%)
HSVhsv(136, 83%, 55%)
CMYKcmyk(83.5%, 0%, 61.9%, 45.5%)
CIE-LABlab(50.57, -49.13, 36.71)
CIE-LCHlch(50.57, 61.33, 143.24°)
OKLaboklab(55.76% -0.1321 0.0865)
OKLCHoklch(55.76% 0.158 146.8)
XYZxyz(10.2278, 18.9032, 6.4771)
Luminance0.1890 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178B35 #8B176D
analogous
#338B17 #178B35 #178B6F
triadic
#178B35 #35178B #8B3517
tetradic
#178B35 #17338B #8B176D #8B6F17
square
#178B35 #17338B #8B176D #8B6F17
split-complementary
#178B35 #6F178B #8B1733
monochromatic
#06220D #0E5621 #178B35 #20C049 #3DDF67

Accessibility & contrast

On white

4.39
#178B35 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.78
#178B35 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B35
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178B35#FFFFFF#000000##000000
##178B351.004.394.784.78
#FFFFFF4.391.0021.0021.00
#0000004.7821.001.001.00
##0000004.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D7E2C
Deuteranopia (green-blind)
#80753C
Tritanopia (blue-blind)
#008878
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #178b35;
/* rgb */ color: rgb(23, 139, 53);
/* oklch */ color: oklch(55.8% 0.158 146.8);
Tailwind
colors: {
  custom: {
    50: '#6bae6f',
    500: '#178b35',
    950: '#000000',
  },
}
SCSS
$custom: #178b35;
$custom-light: #6bae6f;
$custom-dark: #000000;
JSON
{
  "hex": "#178b35",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 53
  },
  "hsl": {
    "h": 135.517,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55764,
    "c": 0.1579,
    "h": 146.8
  },
  "luminance": 0.18904
}

Semantic roles & 50–950 ramp

primary
#178B35
secondary
#BF3F9E
accent
#39C0EE
background
#F7FAF6
surface
#EDF4EC
border
#C8CEC7
text
#081007
muted
#7B7F7A

Preview Lab

Preview with #178B35

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

Preview Lab → · Contrast checker → · Palette generator →

#178B35 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva