#218A4B#218A4B

#218A4B is a mid, vivid green. Relative luminance 0.190; OKLCH L 56.0% C 0.134 H 152.0°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#218A4B
RGB	rgb(33, 138, 75)
HSL	hsl(144, 61%, 34%)
HSV	hsv(144, 76%, 54%)
CMYK	cmyk(76.1%, 0%, 45.7%, 45.9%)
CIE-LAB	lab(50.70, -43.93, 25.53)
CIE-LCH	lch(50.70, 50.81, 149.84°)
OKLab	oklab(56.01% -0.1182 0.0629)
OKLCH	oklch(56.01% 0.134 152)
XYZ	xyz(10.9847, 19.0070, 9.7450)
Luminance	0.1901 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A4B #8A2160

analogous

#2B8A21 #218A4B #218A7F

triadic

#218A4B #4B218A #8A4B21

tetradic

#218A4B #212B8A #8A2160 #8A7F21

square

#218A4B #212B8A #8A2160 #8A7F21

split-complementary

#218A4B #7F218A #8A212B

monochromatic

#092715 #155930 #218A4B #2DBB66 #50D585

Accessibility & contrast

On white

4.37

#218A4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#218A4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A4B

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A4B	#FFFFFF	#000000	##000000
##218A4B	1.00	4.37	4.80	4.80
#FFFFFF	4.37	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)

#8A7E46

Deuteranopia (green-blind)

#7E754F

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #218a4b;
/* rgb */ color: rgb(33, 138, 75);
/* oklch */ color: oklch(56.0% 0.134 152.0);

Tailwind

colors: {
  custom: {
    50: '#6dad7e',
    500: '#218a4b',
    950: '#000000',
  },
}

SCSS

$custom: #218a4b;
$custom-light: #6dad7e;
$custom-dark: #000000;

JSON

{
  "hex": "#218a4b",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 75
  },
  "hsl": {
    "h": 144,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.56008,
    "c": 0.13388,
    "h": 152
  },
  "luminance": 0.19008
}

Semantic roles & 50–950 ramp

primary

#218A4B

secondary

#B94E8E

accent

#43A4E5

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #218A4B

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

Preview Lab → · Contrast checker → · Palette generator →