#218A2B#218A2B

#218A2B is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.6% C 0.162 H 144.2°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#218A2B
RGB	rgb(33, 138, 43)
HSL	hsl(126, 61%, 34%)
HSV	hsv(126, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 68.8%, 45.9%)
CIE-LAB	lab(50.30, -48.56, 41.04)
CIE-LCH	lch(50.30, 63.58, 139.80°)
OKLab	oklab(55.56% -0.1313 0.0947)
OKLCH	oklch(55.56% 0.162 144.2)
XYZ	xyz(10.1511, 18.6735, 5.3544)
Luminance	0.1867 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A2B #8A2180

analogous

#4B8A21 #218A2B #218A5F

triadic

#218A2B #2B218A #8A2B21

tetradic

#218A2B #214B8A #8A2180 #8A5F21

square

#218A2B #214B8A #8A2180 #8A5F21

split-complementary

#218A2B #5F218A #8A214B

monochromatic

#09270C #15591C #218A2B #2DBB3A #50D55D

Accessibility & contrast

On white

4.44

#218A2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#218A2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A2B

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A2B	#FFFFFF	#000000	##000000
##218A2B	1.00	4.44	4.74	4.74
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7D1E

Deuteranopia (green-blind)

#817534

Tritanopia (blue-blind)

#008677

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #218a2b;
/* rgb */ color: rgb(33, 138, 43);
/* oklch */ color: oklch(55.6% 0.162 144.2);

Tailwind

colors: {
  custom: {
    50: '#6ead69',
    500: '#218a2b',
    950: '#000000',
  },
}

SCSS

$custom: #218a2b;
$custom-light: #6ead69;
$custom-dark: #000000;

JSON

{
  "hex": "#218a2b",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 43
  },
  "hsl": {
    "h": 125.714,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.55556,
    "c": 0.16191,
    "h": 144.2
  },
  "luminance": 0.18675
}

Semantic roles & 50–950 ramp

primary

#218A2B

secondary

#B94EAE

accent

#43D5E5

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #218A2B

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

Preview Lab → · Contrast checker → · Palette generator →