#42D2EA#42D2EA

#42D2EA is a light, vivid teal. Relative luminance 0.532; OKLCH L 79.8% C 0.123 H 211.2°. Best body text is #000000 at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#42D2EA
RGB	rgb(66, 210, 234)
HSL	hsl(189, 80%, 59%)
HSV	hsv(189, 72%, 92%)
CMYK	cmyk(71.8%, 10.3%, 0%, 8.2%)
CIE-LAB	lab(77.99, -29.98, -22.81)
CIE-LCH	lch(77.99, 37.68, 217.27°)
OKLab	oklab(79.85% -0.105 -0.0635)
OKLCH	oklch(79.85% 0.123 211.2)
XYZ	xyz(40.1383, 53.1872, 85.9767)
Luminance	0.5319 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D2EA #EA5A42

analogous

#42EAAE #42D2EA #427EEA

triadic

#42D2EA #EA42D2 #D2EA42

tetradic

#42D2EA #AE42EA #EA5A42 #7EEA42

square

#42D2EA #AE42EA #EA5A42 #7EEA42

split-complementary

#42D2EA #EA427E #EAAE42

monochromatic

#128CA0 #18BCD7 #42D2EA #79DFF0 #B0ECF6

Accessibility & contrast

On white

1.80

#42D2EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.64

#42D2EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D2EA

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D2EA	#FFFFFF	#000000	##000000
##42D2EA	1.00	1.80	11.64	11.64
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.64	21.00	1.00	1.00
##000000	11.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFCBEB

Deuteranopia (green-blind)

#A7B9EA

Tritanopia (blue-blind)

#00DCD9

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42d2ea;
/* rgb */ color: rgb(66, 210, 234);
/* oklch */ color: oklch(79.8% 0.123 211.2);

Tailwind

colors: {
  custom: {
    50: '#8de0f0',
    500: '#42d2ea',
    950: '#000000',
  },
}

SCSS

$custom: #42d2ea;
$custom-light: #8de0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#42d2ea",
  "rgb": {
    "r": 66,
    "g": 210,
    "b": 234
  },
  "hsl": {
    "h": 188.571,
    "s": 80,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79848,
    "c": 0.12272,
    "h": 211.2
  },
  "luminance": 0.53192
}

Semantic roles & 50–950 ramp

primary

#42D2EA

secondary

#A23E2E

accent

#4E31F6

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #42D2EA

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

Preview Lab → · Contrast checker → · Palette generator →