#218A37#218A37

#218A37 is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.7% C 0.152 H 146.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#218A37
RGBrgb(33, 138, 55)
HSLhsl(133, 61%, 34%)
HSVhsv(133, 76%, 54%)
CMYKcmyk(76.1%, 0%, 60.1%, 45.9%)
CIE-LABlab(50.42, -47.12, 35.61)
CIE-LCHlch(50.42, 59.06, 142.93°)
OKLaboklab(55.69% -0.1269 0.0843)
OKLCHoklch(55.69% 0.152 146.4)
XYZxyz(10.4045, 18.7749, 6.6893)
Luminance0.1878 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#218A37 #8A2174
analogous
#3F8A21 #218A37 #218A6B
triadic
#218A37 #37218A #8A3721
tetradic
#218A37 #213F8A #8A2174 #8A6B21
square
#218A37 #213F8A #8A2174 #8A6B21
split-complementary
#218A37 #6B218A #8A213F
monochromatic
#092710 #155923 #218A37 #2DBB4B #50D56C

Accessibility & contrast

On white

4.42
#218A37 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#218A37 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A37
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##218A37#FFFFFF#000000##000000
##218A371.004.424.764.76
#FFFFFF4.421.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C7D2F
Deuteranopia (green-blind)
#80753E
Tritanopia (blue-blind)
#008778
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #218a37;
/* rgb */ color: rgb(33, 138, 55);
/* oklch */ color: oklch(55.7% 0.152 146.4);
Tailwind
colors: {
  custom: {
    50: '#6ead70',
    500: '#218a37',
    950: '#000000',
  },
}
SCSS
$custom: #218a37;
$custom-light: #6ead70;
$custom-dark: #000000;
JSON
{
  "hex": "#218a37",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 55
  },
  "hsl": {
    "h": 132.571,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.55694,
    "c": 0.15237,
    "h": 146.4
  },
  "luminance": 0.18776
}

Semantic roles & 50–950 ramp

primary
#218A37
secondary
#B94EA2
accent
#43C3E5
background
#F7FAF6
surface
#EDF4EC
border
#C8CEC7
text
#081008
muted
#7B7F7B

Preview Lab

Preview with #218A37

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

Preview Lab → · Contrast checker → · Palette generator →

#218A37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva