#40D3BB#40D3BB

#40D3BB is a light, vivid teal. Relative luminance 0.513; OKLCH L 78.4% C 0.127 H 179.5°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#40D3BB
RGB	rgb(64, 211, 187)
HSL	hsl(170, 63%, 54%)
HSV	hsv(170, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 11.4%, 17.3%)
CIE-LAB	lab(76.84, -43.93, 0.70)
CIE-LCH	lch(76.84, 43.94, 179.09°)
OKLab	oklab(78.44% -0.1268 0.0011)
OKLCH	oklch(78.44% 0.127 179.5)
XYZ	xyz(34.3739, 51.2624, 55.0871)
Luminance	0.5127 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3BB #D34058

analogous

#40D372 #40D3BB #40A2D3

triadic

#40D3BB #BB40D3 #D3BB40

tetradic

#40D3BB #7240D3 #D34058 #A2D340

square

#40D3BB #7240D3 #D34058 #A2D340

split-complementary

#40D3BB #D340A2 #D37240

monochromatic

#1D7C6C #28AE98 #40D3BB #72DECD #A3EADE

Accessibility & contrast

On white

1.87

#40D3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#40D3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3BB

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3BB	#FFFFFF	#000000	##000000
##40D3BB	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAC6BA

Deuteranopia (green-blind)

#B6B7BD

Tritanopia (blue-blind)

#00D6CC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #40d3bb;
/* rgb */ color: rgb(64, 211, 187);
/* oklch */ color: oklch(78.4% 0.127 179.5);

Tailwind

colors: {
  custom: {
    50: '#89e1cf',
    500: '#40d3bb',
    950: '#000000',
  },
}

SCSS

$custom: #40d3bb;
$custom-light: #89e1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3bb",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 187
  },
  "hsl": {
    "h": 170.204,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78441,
    "c": 0.12685,
    "h": 179.5
  },
  "luminance": 0.51266
}

Semantic roles & 50–950 ramp

primary

#40D3BB

secondary

#843341

accent

#425DE6

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1513

muted

#7F8483

Preview Lab

Preview with #40D3BB

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

Preview Lab → · Contrast checker → · Palette generator →