#40D9BB#40D9BB

#40D9BB is a light, vivid teal. Relative luminance 0.543; OKLCH L 79.9% C 0.133 H 176.5°. Best body text is #000000 at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#40D9BB
RGB	rgb(64, 217, 187)
HSL	hsl(168, 67%, 55%)
HSV	hsv(168, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 13.8%, 14.9%)
CIE-LAB	lab(78.64, -46.51, 3.31)
CIE-LCH	lch(78.64, 46.63, 175.92°)
OKLab	oklab(79.91% -0.1328 0.0081)
OKLCH	oklch(79.91% 0.133 176.5)
XYZ	xyz(35.8924, 54.2994, 55.5933)
Luminance	0.5430 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9BB #D9405E

analogous

#40D96E #40D9BB #40ABD9

triadic

#40D9BB #BB40D9 #D9BB40

tetradic

#40D9BB #6E40D9 #D9405E #ABD940

square

#40D9BB #6E40D9 #D9405E #ABD940

split-complementary

#40D9BB #D940AB #D96E40

monochromatic

#1A8470 #24B79B #40D9BB #73E3CD #A6EDDF

Accessibility & contrast

On white

1.77

#40D9BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.86

#40D9BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9BB

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9BB	#FFFFFF	#000000	##000000
##40D9BB	1.00	1.77	11.86	11.86
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.86	21.00	1.00	1.00
##000000	11.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1CCBA

Deuteranopia (green-blind)

#BCBCBD

Tritanopia (blue-blind)

#00DCD0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #40d9bb;
/* rgb */ color: rgb(64, 217, 187);
/* oklch */ color: oklch(79.9% 0.133 176.5);

Tailwind

colors: {
  custom: {
    50: '#89e5cf',
    500: '#40d9bb',
    950: '#000000',
  },
}

SCSS

$custom: #40d9bb;
$custom-light: #89e5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9bb",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 187
  },
  "hsl": {
    "h": 168.235,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.79909,
    "c": 0.13303,
    "h": 176.5
  },
  "luminance": 0.54304
}

Semantic roles & 50–950 ramp

primary

#40D9BB

secondary

#8B3244

accent

#3E60EA

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1613

muted

#7F8483

Preview Lab

Preview with #40D9BB

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

Preview Lab → · Contrast checker → · Palette generator →