#218B23#218B23

#218B23 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.8% C 0.168 H 143.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#218B23
RGBrgb(33, 139, 35)
HSLhsl(121, 62%, 34%)
HSVhsv(121, 76%, 55%)
CMYKcmyk(76.3%, 0%, 74.8%, 45.5%)
CIE-LABlab(50.58, -49.67, 44.62)
CIE-LCHlch(50.58, 66.77, 138.07°)
OKLaboklab(55.77% -0.1347 0.1011)
OKLCHoklch(55.77% 0.168 143.1)
XYZxyz(10.1626, 18.9088, 4.7039)
Luminance0.1891 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#218B23 #8B2189
analogous
#548B21 #218B23 #218B58
triadic
#218B23 #23218B #8B2321
tetradic
#218B23 #21548B #8B2189 #8B5821
square
#218B23 #21548B #8B2189 #8B5821
split-complementary
#218B23 #58218B #8B2154
monochromatic
#0A280A #155A17 #218B23 #2DBC2F #51D653

Accessibility & contrast

On white

4.39
#218B23 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.78
#218B23 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218B23
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##218B23#FFFFFF#000000##000000
##218B231.004.394.784.78
#FFFFFF4.391.0021.0021.00
#0000004.7821.001.001.00
##0000004.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E7D10
Deuteranopia (green-blind)
#82752E
Tritanopia (blue-blind)
#008777
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #218b23;
/* rgb */ color: rgb(33, 139, 35);
/* oklch */ color: oklch(55.8% 0.168 143.1);
Tailwind
colors: {
  custom: {
    50: '#6fae65',
    500: '#218b23',
    950: '#000000',
  },
}
SCSS
$custom: #218b23;
$custom-light: #6fae65;
$custom-dark: #000000;
JSON
{
  "hex": "#218b23",
  "rgb": {
    "r": 33,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 121.132,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.55766,
    "c": 0.16846,
    "h": 143.1
  },
  "luminance": 0.1891
}

Semantic roles & 50–950 ramp

primary
#218B23
secondary
#B94FB7
accent
#43E2E5
background
#F7FAF6
surface
#EDF4EB
border
#C8CEC6
text
#091006
muted
#7B7F7A

Preview Lab

Preview with #218B23

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

Preview Lab → · Contrast checker → · Palette generator →

#218B23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva