#218A4A#218A4A

#218A4A is a mid, vivid green. Relative luminance 0.190; OKLCH L 56.0% C 0.135 H 151.6°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#218A4A
RGB	rgb(33, 138, 74)
HSL	hsl(143, 61%, 34%)
HSV	hsv(143, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 46.4%, 45.9%)
CIE-LAB	lab(50.68, -44.11, 26.05)
CIE-LCH	lch(50.68, 51.23, 149.43°)
OKLab	oklab(55.99% -0.1187 0.064)
OKLCH	oklch(55.99% 0.135 151.6)
XYZ	xyz(10.9508, 18.9934, 9.5662)
Luminance	0.1900 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A4A #8A2161

analogous

#2C8A21 #218A4A #218A7E

triadic

#218A4A #4A218A #8A4A21

tetradic

#218A4A #212C8A #8A2161 #8A7E21

square

#218A4A #212C8A #8A2161 #8A7E21

split-complementary

#218A4A #7E218A #8A212C

monochromatic

#092715 #155930 #218A4A #2DBB64 #50D584

Accessibility & contrast

On white

4.38

#218A4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#218A4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A4A

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A4A	#FFFFFF	#000000	##000000
##218A4A	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7E45

Deuteranopia (green-blind)

#7E754E

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #218a4a;
/* rgb */ color: rgb(33, 138, 74);
/* oklch */ color: oklch(56.0% 0.135 151.6);

Tailwind

colors: {
  custom: {
    50: '#6dad7d',
    500: '#218a4a',
    950: '#000000',
  },
}

SCSS

$custom: #218a4a;
$custom-light: #6dad7d;
$custom-dark: #000000;

JSON

{
  "hex": "#218a4a",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 74
  },
  "hsl": {
    "h": 143.429,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.5599,
    "c": 0.13485,
    "h": 151.6
  },
  "luminance": 0.18995
}

Semantic roles & 50–950 ramp

primary

#218A4A

secondary

#B94E8F

accent

#43A6E5

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #218A4A

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

Preview Lab → · Contrast checker → · Palette generator →