#40D9C4#40D9C4

#40D9C4 is a light, vivid teal. Relative luminance 0.547; OKLCH L 80.2% C 0.129 H 181.7°. Best body text is #000000 at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#40D9C4
RGB	rgb(64, 217, 196)
HSL	hsl(172, 67%, 55%)
HSV	hsv(172, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 9.7%, 14.9%)
CIE-LAB	lab(78.87, -44.20, -1.16)
CIE-LCH	lch(78.87, 44.21, 181.50°)
OKLab	oklab(80.17% -0.1287 -0.0038)
OKLCH	oklch(80.17% 0.129 181.7)
XYZ	xyz(36.8862, 54.6969, 60.8274)
Luminance	0.5470 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9C4 #D94055

analogous

#40D978 #40D9C4 #40A1D9

triadic

#40D9C4 #C440D9 #D9C440

tetradic

#40D9C4 #7840D9 #D94055 #A1D940

square

#40D9C4 #7840D9 #D94055 #A1D940

split-complementary

#40D9C4 #D940A1 #D97840

monochromatic

#1A8476 #24B7A3 #40D9C4 #73E3D4 #A6EDE4

Accessibility & contrast

On white

1.76

#40D9C4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.94

#40D9C4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9C4

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9C4	#FFFFFF	#000000	##000000
##40D9C4	1.00	1.76	11.94	11.94
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.94	21.00	1.00	1.00
##000000	11.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFCCC3

Deuteranopia (green-blind)

#BABDC6

Tritanopia (blue-blind)

#00DDD2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #40d9c4;
/* rgb */ color: rgb(64, 217, 196);
/* oklch */ color: oklch(80.2% 0.129 181.7);

Tailwind

colors: {
  custom: {
    50: '#8ae5d5',
    500: '#40d9c4',
    950: '#000000',
  },
}

SCSS

$custom: #40d9c4;
$custom-light: #8ae5d5;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9c4",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 196
  },
  "hsl": {
    "h": 171.765,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80173,
    "c": 0.12878,
    "h": 181.7
  },
  "luminance": 0.54701
}

Semantic roles & 50–950 ramp

primary

#40D9C4

secondary

#8B323F

accent

#3E56EA

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1614

muted

#7F8483

Preview Lab

Preview with #40D9C4

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

Preview Lab → · Contrast checker → · Palette generator →