#40D9BE#40D9BE

#40D9BE is a light, vivid teal. Relative luminance 0.544; OKLCH L 80.0% C 0.131 H 178.2°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX#40D9BE
RGBrgb(64, 217, 190)
HSLhsl(169, 67%, 55%)
HSVhsv(169, 71%, 85%)
CMYKcmyk(70.5%, 0%, 12.4%, 14.9%)
CIE-LABlab(78.71, -45.75, 1.82)
CIE-LCHlch(78.71, 45.79, 177.72°)
OKLaboklab(80% -0.1314 0.0041)
OKLCHoklch(80% 0.131 178.2)
XYZxyz(36.2169, 54.4292, 57.3024)
Luminance0.5443 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D9BE #D9405B
analogous
#40D972 #40D9BE #40A7D9
triadic
#40D9BE #BE40D9 #D9BE40
tetradic
#40D9BE #7240D9 #D9405B #A7D940
square
#40D9BE #7240D9 #D9405B #A7D940
split-complementary
#40D9BE #D940A7 #D97240
monochromatic
#1A8472 #24B79D #40D9BE #73E3CF #A6EDE1

Accessibility & contrast

On white

1.77
#40D9BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.89
#40D9BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9BE
11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D9BE#FFFFFF#000000##000000
##40D9BE1.001.7711.8911.89
#FFFFFF1.771.0021.0021.00
#00000011.8921.001.001.00
##00000011.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0CCBD
Deuteranopia (green-blind)
#BBBCC0
Tritanopia (blue-blind)
#00DCD1
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #40d9be;
/* rgb */ color: rgb(64, 217, 190);
/* oklch */ color: oklch(80.0% 0.131 178.2);
Tailwind
colors: {
  custom: {
    50: '#8ae5d1',
    500: '#40d9be',
    950: '#000000',
  },
}
SCSS
$custom: #40d9be;
$custom-light: #8ae5d1;
$custom-dark: #000000;
JSON
{
  "hex": "#40d9be",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 190
  },
  "hsl": {
    "h": 169.412,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.79995,
    "c": 0.13148,
    "h": 178.2
  },
  "luminance": 0.54433
}

Semantic roles & 50–950 ramp

primary
#40D9BE
secondary
#8B3242
accent
#3E5CEA
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1614
muted
#7F8483

Preview Lab

Preview with #40D9BE

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

Preview Lab → · Contrast checker → · Palette generator →

#40D9BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva