#218C3B#218C3B

#218C3B is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.3% C 0.151 H 147.2°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#218C3B
RGBrgb(33, 140, 59)
HSLhsl(135, 62%, 34%)
HSVhsv(135, 76%, 55%)
CMYKcmyk(76.4%, 0%, 57.9%, 45.1%)
CIE-LABlab(51.15, -47.29, 34.48)
CIE-LCHlch(51.15, 58.52, 143.91°)
OKLaboklab(56.31% -0.1273 0.0821)
OKLCHoklch(56.31% 0.151 147.2)
XYZxyz(10.7939, 19.3940, 7.3114)
Luminance0.1940 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#218C3B #8C2172
analogous
#3D8C21 #218C3B #218C71
triadic
#218C3B #3B218C #8C3B21
tetradic
#218C3B #213D8C #8C2172 #8C7121
square
#218C3B #213D8C #8C2172 #8C7121
split-complementary
#218C3B #71218C #8C213D
monochromatic
#0A2911 #155A26 #218C3B #2DBE50 #51D672

Accessibility & contrast

On white

4.30
#218C3B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.88
#218C3B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C3B
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##218C3B#FFFFFF#000000##000000
##218C3B1.004.304.884.88
#FFFFFF4.301.0021.0021.00
#0000004.8821.001.001.00
##0000004.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E7F33
Deuteranopia (green-blind)
#817641
Tritanopia (blue-blind)
#00897A
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #218c3b;
/* rgb */ color: rgb(33, 140, 59);
/* oklch */ color: oklch(56.3% 0.151 147.2);
Tailwind
colors: {
  custom: {
    50: '#6eaf73',
    500: '#218c3b',
    950: '#000000',
  },
}
SCSS
$custom: #218c3b;
$custom-light: #6eaf73;
$custom-dark: #000000;
JSON
{
  "hex": "#218c3b",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 59
  },
  "hsl": {
    "h": 134.579,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56308,
    "c": 0.15147,
    "h": 147.2
  },
  "luminance": 0.19395
}

Semantic roles & 50–950 ramp

primary
#218C3B
secondary
#B94FA0
accent
#43BEE5
background
#F7FAF7
surface
#EDF5ED
border
#C8CFC8
text
#081008
muted
#7B7F7B

Preview Lab

Preview with #218C3B

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

Preview Lab → · Contrast checker → · Palette generator →

#218C3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva