#218A4D#218A4D

#218A4D is a mid, vivid green. Relative luminance 0.190; OKLCH L 56.0% C 0.132 H 152.7°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#218A4D
RGBrgb(33, 138, 77)
HSLhsl(145, 61%, 34%)
HSVhsv(145, 76%, 54%)
CMYKcmyk(76.1%, 0%, 44.2%, 45.9%)
CIE-LABlab(50.73, -43.56, 24.48)
CIE-LCHlch(50.73, 49.97, 150.66°)
OKLaboklab(56.05% -0.1172 0.0605)
OKLCHoklch(56.05% 0.132 152.7)
XYZxyz(11.0542, 19.0348, 10.1112)
Luminance0.1904 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#218A4D #8A215E
analogous
#298A21 #218A4D #218A81
triadic
#218A4D #4D218A #8A4D21
tetradic
#218A4D #21298A #8A215E #8A8121
square
#218A4D #21298A #8A215E #8A8121
split-complementary
#218A4D #81218A #8A2129
monochromatic
#092716 #155931 #218A4D #2DBB69 #50D588

Accessibility & contrast

On white

4.37
#218A4D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.81
#218A4D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A4D
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##218A4D#FFFFFF#000000##000000
##218A4D1.004.374.814.81
#FFFFFF4.371.0021.0021.00
#0000004.8121.001.001.00
##0000004.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A7E49
Deuteranopia (green-blind)
#7E7551
Tritanopia (blue-blind)
#00887B
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #218a4d;
/* rgb */ color: rgb(33, 138, 77);
/* oklch */ color: oklch(56.0% 0.132 152.7);
Tailwind
colors: {
  custom: {
    50: '#6dad7f',
    500: '#218a4d',
    950: '#000000',
  },
}
SCSS
$custom: #218a4d;
$custom-light: #6dad7f;
$custom-dark: #000000;
JSON
{
  "hex": "#218a4d",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 77
  },
  "hsl": {
    "h": 145.143,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.56046,
    "c": 0.13193,
    "h": 152.7
  },
  "luminance": 0.19036
}

Semantic roles & 50–950 ramp

primary
#218A4D
secondary
#B94E8C
accent
#43A1E5
background
#F7FAF7
surface
#EDF4EE
border
#C8CEC9
text
#08100A
muted
#7B7F7C

Preview Lab

Preview with #218A4D

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

Preview Lab → · Contrast checker → · Palette generator →

#218A4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva