#40D9C6#40D9C6

#40D9C6 is a light, vivid teal. Relative luminance 0.548; OKLCH L 80.2% C 0.128 H 182.9°. Best body text is #000000 at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#40D9C6
RGB	rgb(64, 217, 198)
HSL	hsl(173, 67%, 55%)
HSV	hsv(173, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 8.8%, 14.9%)
CIE-LAB	lab(78.92, -43.67, -2.15)
CIE-LCH	lch(78.92, 43.73, 182.81°)
OKLab	oklab(80.23% -0.1278 -0.0065)
OKLCH	oklch(80.23% 0.128 182.9)
XYZ	xyz(37.1154, 54.7886, 62.0343)
Luminance	0.5479 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9C6 #D94053

analogous

#40D979 #40D9C6 #409FD9

triadic

#40D9C6 #C640D9 #D9C640

tetradic

#40D9C6 #7940D9 #D94053 #9FD940

square

#40D9C6 #7940D9 #D94053 #9FD940

split-complementary

#40D9C6 #D9409F #D97940

monochromatic

#1A8477 #24B7A5 #40D9C6 #73E3D5 #A6EDE4

Accessibility & contrast

On white

1.76

#40D9C6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.96

#40D9C6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9C6

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9C6	#FFFFFF	#000000	##000000
##40D9C6	1.00	1.76	11.96	11.96
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.96	21.00	1.00	1.00
##000000	11.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFCDC5

Deuteranopia (green-blind)

#B9BDC8

Tritanopia (blue-blind)

#00DDD3

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #40d9c6;
/* rgb */ color: rgb(64, 217, 198);
/* oklch */ color: oklch(80.2% 0.128 182.9);

Tailwind

colors: {
  custom: {
    50: '#8ae5d7',
    500: '#40d9c6',
    950: '#000000',
  },
}

SCSS

$custom: #40d9c6;
$custom-light: #8ae5d7;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9c6",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 198
  },
  "hsl": {
    "h": 172.549,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80234,
    "c": 0.128,
    "h": 182.9
  },
  "luminance": 0.54793
}

Semantic roles & 50–950 ramp

primary

#40D9C6

secondary

#8B323D

accent

#3E53EA

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1614

muted

#7F8483

Preview Lab

Preview with #40D9C6

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

Preview Lab → · Contrast checker → · Palette generator →