#178C4E#178C4E

#178C4E is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.4% C 0.136 H 153.5°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#178C4E
RGBrgb(23, 140, 78)
HSLhsl(148, 72%, 32%)
HSVhsv(148, 84%, 55%)
CMYKcmyk(83.6%, 0%, 44.3%, 45.1%)
CIE-LABlab(51.25, -45.44, 24.58)
CIE-LCHlch(51.25, 51.66, 151.59°)
OKLaboklab(56.44% -0.1221 0.0608)
OKLCHoklch(56.44% 0.136 153.5)
XYZxyz(11.1055, 19.4870, 10.3823)
Luminance0.1949 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178C4E #8C1755
analogous
#1B8C17 #178C4E #178C89
triadic
#178C4E #4E178C #8C4E17
tetradic
#178C4E #171B8C #8C1755 #8C8917
square
#178C4E #171B8C #8C1755 #8C8917
split-complementary
#178C4E #89178C #8C171B
monochromatic
#062313 #0E5731 #178C4E #20C16B #3EDF8A

Accessibility & contrast

On white

4.29
#178C4E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.90
#178C4E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C4E
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178C4E#FFFFFF#000000##000000
##178C4E1.004.294.904.90
#FFFFFF4.291.0021.0021.00
#0000004.9021.001.001.00
##0000004.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C8049
Deuteranopia (green-blind)
#7F7652
Tritanopia (blue-blind)
#008A7D
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #178c4e;
/* rgb */ color: rgb(23, 140, 78);
/* oklch */ color: oklch(56.4% 0.136 153.5);
Tailwind
colors: {
  custom: {
    50: '#6baf80',
    500: '#178c4e',
    950: '#000000',
  },
}
SCSS
$custom: #178c4e;
$custom-light: #6baf80;
$custom-dark: #000000;
JSON
{
  "hex": "#178c4e",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 78
  },
  "hsl": {
    "h": 148.205,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.56437,
    "c": 0.13641,
    "h": 153.5
  },
  "luminance": 0.19488
}

Semantic roles & 50–950 ramp

primary
#178C4E
secondary
#BF3F83
accent
#3999EF
background
#F6FAF7
surface
#ECF5EE
border
#C7CFC9
text
#08100A
muted
#7A7F7C

Preview Lab

Preview with #178C4E

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

Preview Lab → · Contrast checker → · Palette generator →

#178C4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva