#40D3AB#40D3AB

#40D3AB is a light, vivid teal. Relative luminance 0.506; OKLCH L 78.0% C 0.136 H 170.6°. Best body text is #000000 at 11.12:1 contrast (WCAG AA passes).

Color values

HEX#40D3AB
RGBrgb(64, 211, 171)
HSLhsl(164, 63%, 54%)
HSVhsv(164, 70%, 83%)
CMYKcmyk(69.7%, 0%, 19%, 17.3%)
CIE-LABlab(76.45, -47.92, 8.71)
CIE-LCHlch(76.45, 48.70, 169.70°)
OKLaboklab(77.99% -0.1342 0.0222)
OKLCHoklch(77.99% 0.136 170.6)
XYZxyz(32.7555, 50.6150, 46.5636)
Luminance0.5062 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D3AB #D34068
analogous
#40D362 #40D3AB #40B2D3
triadic
#40D3AB #AB40D3 #D3AB40
tetradic
#40D3AB #6240D3 #D34068 #B2D340
square
#40D3AB #6240D3 #D34068 #B2D340
split-complementary
#40D3AB #D340B2 #D36240
monochromatic
#1D7C62 #28AE89 #40D3AB #72DEC1 #A3EAD7

Accessibility & contrast

On white

1.89
#40D3AB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.12
#40D3AB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3AB
11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D3AB#FFFFFF#000000##000000
##40D3AB1.001.8911.1211.12
#FFFFFF1.891.0021.0021.00
#00000011.1221.001.001.00
##00000011.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#CDC5A9
Deuteranopia (green-blind)
#B9B7AE
Tritanopia (blue-blind)
#00D5C8
Achromatopsia (no color)
#BDBDBD

Design tokens & code

CSS
--color: #40d3ab;
/* rgb */ color: rgb(64, 211, 171);
/* oklch */ color: oklch(78.0% 0.136 170.6);
Tailwind
colors: {
  custom: {
    50: '#88e1c4',
    500: '#40d3ab',
    950: '#000000',
  },
}
SCSS
$custom: #40d3ab;
$custom-light: #88e1c4;
$custom-dark: #000000;
JSON
{
  "hex": "#40d3ab",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 171
  },
  "hsl": {
    "h": 163.673,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.7799,
    "c": 0.13599,
    "h": 170.6
  },
  "luminance": 0.50619
}

Semantic roles & 50–950 ramp

primary
#40D3AB
secondary
#843349
accent
#426FE6
background
#FCFEFD
surface
#F4FCF9
border
#CED5D2
text
#0D1512
muted
#7F8482

Preview Lab

Preview with #40D3AB

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

Preview Lab → · Contrast checker → · Palette generator →

#40D3AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva