#40D4BB#40D4BB

#40D4BB is a light, vivid teal. Relative luminance 0.518; OKLCH L 78.7% C 0.128 H 179.0°. Best body text is #000000 at 11.35:1 contrast (WCAG AA passes).

Color values

HEX#40D4BB
RGBrgb(64, 212, 187)
HSLhsl(170, 63%, 54%)
HSVhsv(170, 70%, 83%)
CMYKcmyk(69.8%, 0%, 11.8%, 16.9%)
CIE-LABlab(77.14, -44.36, 1.14)
CIE-LCHlch(77.14, 44.38, 178.53°)
OKLaboklab(78.69% -0.1278 0.0023)
OKLCHoklch(78.69% 0.128 179)
XYZxyz(34.6231, 51.7608, 55.1702)
Luminance0.5177 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D4BB #D44059
analogous
#40D471 #40D4BB #40A3D4
triadic
#40D4BB #BB40D4 #D4BB40
tetradic
#40D4BB #7140D4 #D44059 #A3D440
square
#40D4BB #7140D4 #D44059 #A3D440
split-complementary
#40D4BB #D440A3 #D47140
monochromatic
#1C7D6D #27AF98 #40D4BB #72DFCD #A4EADF

Accessibility & contrast

On white

1.85
#40D4BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.35
#40D4BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D4BB
11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D4BB#FFFFFF#000000##000000
##40D4BB1.001.8511.3511.35
#FFFFFF1.851.0021.0021.00
#00000011.3521.001.001.00
##00000011.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBC7BA
Deuteranopia (green-blind)
#B7B8BD
Tritanopia (blue-blind)
#00D7CC
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #40d4bb;
/* rgb */ color: rgb(64, 212, 187);
/* oklch */ color: oklch(78.7% 0.128 179.0);
Tailwind
colors: {
  custom: {
    50: '#89e2cf',
    500: '#40d4bb',
    950: '#000000',
  },
}
SCSS
$custom: #40d4bb;
$custom-light: #89e2cf;
$custom-dark: #000000;
JSON
{
  "hex": "#40d4bb",
  "rgb": {
    "r": 64,
    "g": 212,
    "b": 187
  },
  "hsl": {
    "h": 169.865,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.78686,
    "c": 0.12785,
    "h": 179
  },
  "luminance": 0.51765
}

Semantic roles & 50–950 ramp

primary
#40D4BB
secondary
#853341
accent
#425DE6
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1513
muted
#7F8483

Preview Lab

Preview with #40D4BB

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

Preview Lab → · Contrast checker → · Palette generator →

#40D4BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva