#218A28#218A28

#218A28 is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.5% C 0.164 H 143.8°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#218A28
RGB	rgb(33, 138, 40)
HSL	hsl(124, 61%, 34%)
HSV	hsv(124, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 71%, 45.9%)
CIE-LAB	lab(50.28, -48.87, 42.30)
CIE-LCH	lch(50.28, 64.63, 139.12°)
OKLab	oklab(55.53% -0.1323 0.0969)
OKLCH	oklch(55.53% 0.164 143.8)
XYZ	xyz(10.0980, 18.6523, 5.0751)
Luminance	0.1865 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A28 #8A2183

analogous

#4E8A21 #218A28 #218A5C

triadic

#218A28 #28218A #8A2821

tetradic

#218A28 #214E8A #8A2183 #8A5C21

square

#218A28 #214E8A #8A2183 #8A5C21

split-complementary

#218A28 #5C218A #8A214E

monochromatic

#09270B #15591A #218A28 #2DBB36 #50D559

Accessibility & contrast

On white

4.44

#218A28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#218A28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A28

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A28	#FFFFFF	#000000	##000000
##218A28	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7D1A

Deuteranopia (green-blind)

#817431

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #218a28;
/* rgb */ color: rgb(33, 138, 40);
/* oklch */ color: oklch(55.5% 0.164 143.8);

Tailwind

colors: {
  custom: {
    50: '#6ead67',
    500: '#218a28',
    950: '#000000',
  },
}

SCSS

$custom: #218a28;
$custom-light: #6ead67;
$custom-dark: #000000;

JSON

{
  "hex": "#218a28",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 40
  },
  "hsl": {
    "h": 124,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.55527,
    "c": 0.16402,
    "h": 143.8
  },
  "luminance": 0.18653
}

Semantic roles & 50–950 ramp

primary

#218A28

secondary

#B94EB1

accent

#43DAE5

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #218A28

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

Preview Lab → · Contrast checker → · Palette generator →