#218F4C#218F4C

#218F4C is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.4% C 0.140 H 151.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#218F4C
RGB	rgb(33, 143, 76)
HSL	hsl(143, 63%, 35%)
HSV	hsv(143, 77%, 56%)
CMYK	cmyk(76.9%, 0%, 46.9%, 43.9%)
CIE-LAB	lab(52.39, -45.66, 27.16)
CIE-LCH	lch(52.39, 53.13, 149.26°)
OKLab	oklab(57.41% -0.1228 0.0667)
OKLCH	oklch(57.41% 0.14 151.5)
XYZ	xyz(11.7531, 20.4887, 10.1714)
Luminance	0.2049 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218F4C #8F2164

analogous

#2D8F21 #218F4C #218F83

triadic

#218F4C #4C218F #8F4C21

tetradic

#218F4C #212D8F #8F2164 #8F8321

square

#218F4C #212D8F #8F2164 #8F8321

split-complementary

#218F4C #83218F #8F212D

monochromatic

#0A2C17 #165D32 #218F4C #2CC166 #53D787

Accessibility & contrast

On white

4.12

#218F4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#218F4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218F4C

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218F4C	#FFFFFF	#000000	##000000
##218F4C	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8247

Deuteranopia (green-blind)

#837951

Tritanopia (blue-blind)

#008D7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #218f4c;
/* rgb */ color: rgb(33, 143, 76);
/* oklch */ color: oklch(57.4% 0.140 151.5);

Tailwind

colors: {
  custom: {
    50: '#6eb17f',
    500: '#218f4c',
    950: '#000000',
  },
}

SCSS

$custom: #218f4c;
$custom-light: #6eb17f;
$custom-dark: #000000;

JSON

{
  "hex": "#218f4c",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 76
  },
  "hsl": {
    "h": 143.455,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.5741,
    "c": 0.13971,
    "h": 151.5
  },
  "luminance": 0.2049
}

Semantic roles & 50–950 ramp

primary

#218F4C

secondary

#BB5191

accent

#42A6E6

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #218F4C

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

Preview Lab → · Contrast checker → · Palette generator →