#218A3A#218A3A

#218A3A is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.7% C 0.150 H 147.1°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#218A3A
RGB	rgb(33, 138, 58)
HSL	hsl(134, 61%, 34%)
HSV	hsv(134, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 58%, 45.9%)
CIE-LAB	lab(50.46, -46.71, 34.16)
CIE-LCH	lch(50.46, 57.87, 143.82°)
OKLab	oklab(55.73% -0.1257 0.0814)
OKLCH	oklch(55.73% 0.15 147.1)
XYZ	xyz(10.4786, 18.8046, 7.0796)
Luminance	0.1881 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A3A #8A2171

analogous

#3C8A21 #218A3A #218A6E

triadic

#218A3A #3A218A #8A3A21

tetradic

#218A3A #213C8A #8A2171 #8A6E21

square

#218A3A #213C8A #8A2171 #8A6E21

split-complementary

#218A3A #6E218A #8A213C

monochromatic

#092710 #155925 #218A3A #2DBB4F #50D570

Accessibility & contrast

On white

4.41

#218A3A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#218A3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A3A

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A3A	#FFFFFF	#000000	##000000
##218A3A	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7D32

Deuteranopia (green-blind)

#807540

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #218a3a;
/* rgb */ color: rgb(33, 138, 58);
/* oklch */ color: oklch(55.7% 0.150 147.1);

Tailwind

colors: {
  custom: {
    50: '#6ead72',
    500: '#218a3a',
    950: '#000000',
  },
}

SCSS

$custom: #218a3a;
$custom-light: #6ead72;
$custom-dark: #000000;

JSON

{
  "hex": "#218a3a",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 58
  },
  "hsl": {
    "h": 134.286,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.55734,
    "c": 0.14976,
    "h": 147.1
  },
  "luminance": 0.18806
}

Semantic roles & 50–950 ramp

primary

#218A3A

secondary

#B94E9F

accent

#43BEE5

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #218A3A

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

Preview Lab → · Contrast checker → · Palette generator →