#218F5B#218F5B

#218F5B is a mid, vivid teal. Relative luminance 0.207; OKLCH L 57.7% C 0.125 H 157.3°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#218F5B
RGB	rgb(33, 143, 91)
HSL	hsl(152, 63%, 35%)
HSV	hsv(152, 77%, 56%)
CMYK	cmyk(76.9%, 0%, 36.4%, 43.9%)
CIE-LAB	lab(52.64, -42.72, 19.25)
CIE-LCH	lch(52.64, 46.86, 155.74°)
OKLab	oklab(57.71% -0.1156 0.0484)
OKLCH	oklch(57.71% 0.125 157.3)
XYZ	xyz(12.3368, 20.7221, 13.2451)
Luminance	0.2072 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218F5B #8F2155

analogous

#218F24 #218F5B #218C8F

triadic

#218F5B #5B218F #8F5B21

tetradic

#218F5B #24218F #8F2155 #8C8F21

square

#218F5B #24218F #8F2155 #8C8F21

split-complementary

#218F5B #8F218C #8F2421

monochromatic

#0A2C1C #165D3B #218F5B #2CC17B #53D799

Accessibility & contrast

On white

4.08

#218F5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#218F5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218F5B

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218F5B	#FFFFFF	#000000	##000000
##218F5B	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8358

Deuteranopia (green-blind)

#817A5E

Tritanopia (blue-blind)

#008E82

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218f5b;
/* rgb */ color: rgb(33, 143, 91);
/* oklch */ color: oklch(57.7% 0.125 157.3);

Tailwind

colors: {
  custom: {
    50: '#6eb189',
    500: '#218f5b',
    950: '#000000',
  },
}

SCSS

$custom: #218f5b;
$custom-light: #6eb189;
$custom-dark: #000000;

JSON

{
  "hex": "#218f5b",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 91
  },
  "hsl": {
    "h": 151.636,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57708,
    "c": 0.12532,
    "h": 157.3
  },
  "luminance": 0.20724
}

Semantic roles & 50–950 ramp

primary

#218F5B

secondary

#BB5183

accent

#428FE6

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#08110B

muted

#7B807C

Preview Lab

Preview with #218F5B

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

Preview Lab → · Contrast checker → · Palette generator →