#218C5B#218C5B

#218C5B is a mid, vivid teal. Relative luminance 0.198; OKLCH L 56.9% C 0.121 H 158.1°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#218C5B
RGB	rgb(33, 140, 91)
HSL	hsl(153, 62%, 34%)
HSV	hsv(153, 76%, 55%)
CMYK	cmyk(76.4%, 0%, 35%, 45.1%)
CIE-LAB	lab(51.65, -41.51, 17.91)
CIE-LCH	lch(51.65, 45.21, 156.66°)
OKLab	oklab(56.89% -0.1125 0.0451)
OKLCH	oklch(56.89% 0.121 158.1)
XYZ	xyz(11.8924, 19.8334, 13.0970)
Luminance	0.1983 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C5B #8C2152

analogous

#218C25 #218C5B #21888C

triadic

#218C5B #5B218C #8C5B21

tetradic

#218C5B #25218C #8C2152 #888C21

square

#218C5B #25218C #8C2152 #888C21

split-complementary

#218C5B #8C2188 #8C2521

monochromatic

#0A291B #155A3B #218C5B #2DBE7B #51D699

Accessibility & contrast

On white

4.23

#218C5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#218C5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C5B

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C5B	#FFFFFF	#000000	##000000
##218C5B	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8158

Deuteranopia (green-blind)

#7E775E

Tritanopia (blue-blind)

#008B7F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #218c5b;
/* rgb */ color: rgb(33, 140, 91);
/* oklch */ color: oklch(56.9% 0.121 158.1);

Tailwind

colors: {
  custom: {
    50: '#6dae89',
    500: '#218c5b',
    950: '#000000',
  },
}

SCSS

$custom: #218c5b;
$custom-light: #6dae89;
$custom-dark: #000000;

JSON

{
  "hex": "#218c5b",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 91
  },
  "hsl": {
    "h": 152.523,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56888,
    "c": 0.12121,
    "h": 158.1
  },
  "luminance": 0.19835
}

Semantic roles & 50–950 ramp

primary

#218C5B

secondary

#B94F80

accent

#438DE5

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #218C5B

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

Preview Lab → · Contrast checker → · Palette generator →