#40C9BB#40C9BB

#40C9BB is a light, moderate teal. Relative luminance 0.465; OKLCH L 76.0% C 0.117 H 185.2°. Best body text is #000000 at 10.29:1 contrast (WCAG AA passes).

Color values

HEX#40C9BB
RGBrgb(64, 201, 187)
HSLhsl(174, 56%, 52%)
HSVhsv(174, 68%, 79%)
CMYKcmyk(68.2%, 0%, 7%, 21.2%)
CIE-LABlab(73.83, -39.51, -3.70)
CIE-LCHlch(73.83, 39.68, 185.35°)
OKLaboklab(76% -0.1168 -0.0106)
OKLCHoklch(76% 0.117 185.2)
XYZxyz(31.9664, 46.4475, 54.2846)
Luminance0.4645 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C9BB #C9404E
analogous
#40C977 #40C9BB #4092C9
triadic
#40C9BB #BB40C9 #C9BB40
tetradic
#40C9BB #7740C9 #C9404E #92C940
square
#40C9BB #7740C9 #C9404E #92C940
split-complementary
#40C9BB #C94092 #C97740
monochromatic
#1F6F67 #2D9F93 #40C9BB #70D6CC #9FE4DD

Accessibility & contrast

On white

2.04
#40C9BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.29
#40C9BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C9BB
10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C9BB#FFFFFF#000000##000000
##40C9BB1.002.0410.2910.29
#FFFFFF2.041.0021.0021.00
#00000010.2921.001.001.00
##00000010.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BFBEBB
Deuteranopia (green-blind)
#ABAFBD
Tritanopia (blue-blind)
#00CDC4
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #40c9bb;
/* rgb */ color: rgb(64, 201, 187);
/* oklch */ color: oklch(76.0% 0.117 185.2);
Tailwind
colors: {
  custom: {
    50: '#87dacf',
    500: '#40c9bb',
    950: '#000000',
  },
}
SCSS
$custom: #40c9bb;
$custom-light: #87dacf;
$custom-dark: #000000;
JSON
{
  "hex": "#40c9bb",
  "rgb": {
    "r": 64,
    "g": 201,
    "b": 187
  },
  "hsl": {
    "h": 173.869,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.75995,
    "c": 0.1173,
    "h": 185.2
  },
  "luminance": 0.46451
}

Semantic roles & 50–950 ramp

primary
#40C9BB
secondary
#D0949B
accent
#4958DF
background
#F9FDFC
surface
#F1FBF9
border
#CBD4D2
text
#0D1513
muted
#7E8382

Preview Lab

Preview with #40C9BB

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

Preview Lab → · Contrast checker → · Palette generator →

#40C9BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva