#42D1DD#42D1DD

#42D1DD is a light, moderate teal. Relative luminance 0.520; OKLCH L 79.1% C 0.119 H 203.3°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#42D1DD
RGB	rgb(66, 209, 221)
HSL	hsl(185, 70%, 56%)
HSV	hsv(185, 70%, 87%)
CMYK	cmyk(70.1%, 5.4%, 0%, 13.3%)
CIE-LAB	lab(77.27, -33.37, -16.93)
CIE-LCH	lch(77.27, 37.42, 206.90°)
OKLab	oklab(79.13% -0.1093 -0.047)
OKLCH	oklch(79.13% 0.119 203.3)
XYZ	xyz(38.0926, 51.9752, 76.4172)
Luminance	0.5198 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D1DD #DD4E42

analogous

#42DD9C #42D1DD #4284DD

triadic

#42D1DD #DD42D1 #D1DD42

tetradic

#42D1DD #9C42DD #DD4E42 #84DD42

square

#42D1DD #9C42DD #DD4E42 #84DD42

split-complementary

#42D1DD #DD4284 #DD9C42

monochromatic

#19838C #22B3BF #42D1DD #76DEE6 #AAEAF0

Accessibility & contrast

On white

1.84

#42D1DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#42D1DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D1DD

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D1DD	#FFFFFF	#000000	##000000
##42D1DD	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1C8DE

Deuteranopia (green-blind)

#AAB8DE

Tritanopia (blue-blind)

#00D9D4

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42d1dd;
/* rgb */ color: rgb(66, 209, 221);
/* oklch */ color: oklch(79.1% 0.119 203.3);

Tailwind

colors: {
  custom: {
    50: '#8cdfe7',
    500: '#42d1dd',
    950: '#000000',
  },
}

SCSS

$custom: #42d1dd;
$custom-light: #8cdfe7;
$custom-dark: #000000;

JSON

{
  "hex": "#42d1dd",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 221
  },
  "hsl": {
    "h": 184.645,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.79126,
    "c": 0.11897,
    "h": 203.3
  },
  "luminance": 0.5198
}

Semantic roles & 50–950 ramp

primary

#42D1DD

secondary

#913932

accent

#493BEC

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #42D1DD

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

Preview Lab → · Contrast checker → · Palette generator →