#42D4DD#42D4DD

#42D4DD is a light, vivid teal. Relative luminance 0.535; OKLCH L 79.8% C 0.120 H 201.1°. Best body text is #000000 at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#42D4DD
RGB	rgb(66, 212, 221)
HSL	hsl(183, 70%, 56%)
HSV	hsv(183, 70%, 87%)
CMYK	cmyk(70.1%, 4.1%, 0%, 13.3%)
CIE-LAB	lab(78.15, -34.78, -15.61)
CIE-LCH	lch(78.15, 38.12, 204.17°)
OKLab	oklab(79.84% -0.1122 -0.0433)
OKLCH	oklch(79.84% 0.12 201.1)
XYZ	xyz(38.8356, 53.4611, 76.6649)
Luminance	0.5347 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D4DD #DD4B42

analogous

#42DD99 #42D4DD #4287DD

triadic

#42D4DD #DD42D4 #D4DD42

tetradic

#42D4DD #9942DD #DD4B42 #87DD42

square

#42D4DD #9942DD #DD4B42 #87DD42

split-complementary

#42D4DD #DD4287 #DD9942

monochromatic

#19858C #22B6BF #42D4DD #76E0E6 #AAECF0

Accessibility & contrast

On white

1.80

#42D4DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.69

#42D4DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D4DD

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D4DD	#FFFFFF	#000000	##000000
##42D4DD	1.00	1.80	11.69	11.69
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.69	21.00	1.00	1.00
##000000	11.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4CBDE

Deuteranopia (green-blind)

#AEBADE

Tritanopia (blue-blind)

#00DCD6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42d4dd;
/* rgb */ color: rgb(66, 212, 221);
/* oklch */ color: oklch(79.8% 0.120 201.1);

Tailwind

colors: {
  custom: {
    50: '#8ce1e7',
    500: '#42d4dd',
    950: '#000000',
  },
}

SCSS

$custom: #42d4dd;
$custom-light: #8ce1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42d4dd",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 221
  },
  "hsl": {
    "h": 183.484,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.79838,
    "c": 0.12028,
    "h": 201.1
  },
  "luminance": 0.53466
}

Semantic roles & 50–950 ramp

primary

#42D4DD

secondary

#913832

accent

#463BEC

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #42D4DD

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

Preview Lab → · Contrast checker → · Palette generator →