#40D9BF#40D9BF

#40D9BF is a light, vivid teal. Relative luminance 0.545; OKLCH L 80.0% C 0.131 H 178.8°. Best body text is #000000 at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#40D9BF
RGB	rgb(64, 217, 191)
HSL	hsl(170, 67%, 55%)
HSV	hsv(170, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 12%, 14.9%)
CIE-LAB	lab(78.74, -45.49, 1.33)
CIE-LCH	lch(78.74, 45.51, 178.33°)
OKLab	oklab(80.02% -0.131 0.0028)
OKLCH	oklch(80.02% 0.131 178.8)
XYZ	xyz(36.3266, 54.4730, 57.8799)
Luminance	0.5448 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9BF #D9405A

analogous

#40D973 #40D9BF #40A6D9

triadic

#40D9BF #BF40D9 #D9BF40

tetradic

#40D9BF #7340D9 #D9405A #A6D940

square

#40D9BF #7340D9 #D9405A #A6D940

split-complementary

#40D9BF #D940A6 #D97340

monochromatic

#1A8472 #24B79E #40D9BF #73E3D0 #A6EDE1

Accessibility & contrast

On white

1.77

#40D9BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.90

#40D9BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9BF

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9BF	#FFFFFF	#000000	##000000
##40D9BF	1.00	1.77	11.90	11.90
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.90	21.00	1.00	1.00
##000000	11.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0CCBE

Deuteranopia (green-blind)

#BBBCC1

Tritanopia (blue-blind)

#00DCD1

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #40d9bf;
/* rgb */ color: rgb(64, 217, 191);
/* oklch */ color: oklch(80.0% 0.131 178.8);

Tailwind

colors: {
  custom: {
    50: '#8ae5d2',
    500: '#40d9bf',
    950: '#000000',
  },
}

SCSS

$custom: #40d9bf;
$custom-light: #8ae5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9bf",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 191
  },
  "hsl": {
    "h": 169.804,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80024,
    "c": 0.131,
    "h": 178.8
  },
  "luminance": 0.54477
}

Semantic roles & 50–950 ramp

primary

#40D9BF

secondary

#8B3241

accent

#3E5BEA

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1614

muted

#7F8483

Preview Lab

Preview with #40D9BF

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

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