#40D5BB#40D5BB

#40D5BB is a light, vivid teal. Relative luminance 0.523; OKLCH L 78.9% C 0.129 H 178.5°. Best body text is #000000 at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#40D5BB
RGB	rgb(64, 213, 187)
HSL	hsl(170, 64%, 54%)
HSV	hsv(170, 70%, 84%)
CMYK	cmyk(70%, 0%, 12.2%, 16.5%)
CIE-LAB	lab(77.44, -44.80, 1.57)
CIE-LCH	lch(77.44, 44.82, 177.99°)
OKLab	oklab(78.93% -0.1288 0.0035)
OKLCH	oklch(78.93% 0.129 178.5)
XYZ	xyz(34.8738, 52.2623, 55.2538)
Luminance	0.5227 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D5BB #D5405A

analogous

#40D571 #40D5BB #40A5D5

triadic

#40D5BB #BB40D5 #D5BB40

tetradic

#40D5BB #7140D5 #D5405A #A5D540

square

#40D5BB #7140D5 #D5405A #A5D540

split-complementary

#40D5BB #D540A5 #D57140

monochromatic

#1C7F6D #27B199 #40D5BB #72E0CD #A4EBDF

Accessibility & contrast

On white

1.83

#40D5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.45

#40D5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D5BB

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D5BB	#FFFFFF	#000000	##000000
##40D5BB	1.00	1.83	11.45	11.45
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.45	21.00	1.00	1.00
##000000	11.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCC8BA

Deuteranopia (green-blind)

#B8B9BD

Tritanopia (blue-blind)

#00D8CD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d5bb;
/* rgb */ color: rgb(64, 213, 187);
/* oklch */ color: oklch(78.9% 0.129 178.5);

Tailwind

colors: {
  custom: {
    50: '#89e2cf',
    500: '#40d5bb',
    950: '#000000',
  },
}

SCSS

$custom: #40d5bb;
$custom-light: #89e2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#40d5bb",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 187
  },
  "hsl": {
    "h": 169.53,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.7893,
    "c": 0.12888,
    "h": 178.5
  },
  "luminance": 0.52266
}

Semantic roles & 50–950 ramp

primary

#40D5BB

secondary

#863342

accent

#415EE7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1513

muted

#7F8483

Preview Lab

Preview with #40D5BB

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

Preview Lab → · Contrast checker → · Palette generator →