#178E51#178E51

#178E51 is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.0% C 0.136 H 154.2°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#178E51
RGBrgb(23, 142, 81)
HSLhsl(149, 72%, 32%)
HSVhsv(149, 84%, 56%)
CMYKcmyk(83.8%, 0%, 43%, 44.3%)
CIE-LABlab(51.97, -45.62, 23.88)
CIE-LCHlch(51.97, 51.49, 152.37°)
OKLaboklab(57.05% -0.1227 0.0592)
OKLCHoklch(57.05% 0.136 154.2)
XYZxyz(11.5104, 20.1208, 11.0600)
Luminance0.2012 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178E51 #8E1754
analogous
#188E17 #178E51 #178E8D
triadic
#178E51 #51178E #8E5117
tetradic
#178E51 #17188E #8E1754 #8E8D17
square
#178E51 #17188E #8E1754 #8E8D17
split-complementary
#178E51 #8D178E #8E1718
monochromatic
#062515 #0E5933 #178E51 #20C36F #3FE08E

Accessibility & contrast

On white

4.18
#178E51 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.02
#178E51 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E51
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178E51#FFFFFF#000000##000000
##178E511.004.185.025.02
#FFFFFF4.181.0021.0021.00
#0000005.0221.001.001.00
##0000005.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E824D
Deuteranopia (green-blind)
#807855
Tritanopia (blue-blind)
#008C7F
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #178e51;
/* rgb */ color: rgb(23, 142, 81);
/* oklch */ color: oklch(57.0% 0.136 154.2);
Tailwind
colors: {
  custom: {
    50: '#6bb082',
    500: '#178e51',
    950: '#000000',
  },
}
SCSS
$custom: #178e51;
$custom-light: #6bb082;
$custom-dark: #000000;
JSON
{
  "hex": "#178e51",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 81
  },
  "hsl": {
    "h": 149.244,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.5705,
    "c": 0.13621,
    "h": 154.2
  },
  "luminance": 0.20122
}

Semantic roles & 50–950 ramp

primary
#178E51
secondary
#C04082
accent
#3996EF
background
#F7FAF8
surface
#EDF5EF
border
#C8CFCA
text
#08110A
muted
#7B807C

Preview Lab

Preview with #178E51

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

Preview Lab → · Contrast checker → · Palette generator →

#178E51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva