#42D3DD#42D3DD

#42D3DD is a light, moderate teal. Relative luminance 0.530; OKLCH L 79.6% C 0.120 H 201.8°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#42D3DD
RGB	rgb(66, 211, 221)
HSL	hsl(184, 70%, 56%)
HSV	hsv(184, 70%, 87%)
CMYK	cmyk(70.1%, 4.5%, 0%, 13.3%)
CIE-LAB	lab(77.85, -34.31, -16.05)
CIE-LCH	lch(77.85, 37.88, 205.07°)
OKLab	oklab(79.6% -0.1112 -0.0445)
OKLCH	oklch(79.6% 0.12 201.8)
XYZ	xyz(38.5864, 52.9627, 76.5818)
Luminance	0.5297 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D3DD #DD4C42

analogous

#42DD9A #42D3DD #4286DD

triadic

#42D3DD #DD42D3 #D3DD42

tetradic

#42D3DD #9A42DD #DD4C42 #86DD42

square

#42D3DD #9A42DD #DD4C42 #86DD42

split-complementary

#42D3DD #DD4286 #DD9A42

monochromatic

#19848C #22B5BF #42D3DD #76DFE6 #AAEBF0

Accessibility & contrast

On white

1.81

#42D3DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#42D3DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D3DD

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D3DD	#FFFFFF	#000000	##000000
##42D3DD	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3CADE

Deuteranopia (green-blind)

#ADB9DE

Tritanopia (blue-blind)

#00DBD6

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d3dd;
/* rgb */ color: rgb(66, 211, 221);
/* oklch */ color: oklch(79.6% 0.120 201.8);

Tailwind

colors: {
  custom: {
    50: '#8ce1e7',
    500: '#42d3dd',
    950: '#000000',
  },
}

SCSS

$custom: #42d3dd;
$custom-light: #8ce1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42d3dd",
  "rgb": {
    "r": 66,
    "g": 211,
    "b": 221
  },
  "hsl": {
    "h": 183.871,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.79601,
    "c": 0.11982,
    "h": 201.8
  },
  "luminance": 0.52967
}

Semantic roles & 50–950 ramp

primary

#42D3DD

secondary

#913832

accent

#473BEC

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #42D3DD

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

Preview Lab → · Contrast checker → · Palette generator →