#42D4DB#42D4DB

#42D4DB is a light, vivid teal. Relative luminance 0.534; OKLCH L 79.8% C 0.120 H 199.8°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#42D4DB
RGB	rgb(66, 212, 219)
HSL	hsl(183, 68%, 56%)
HSV	hsv(183, 70%, 86%)
CMYK	cmyk(69.9%, 3.2%, 0%, 14.1%)
CIE-LAB	lab(78.08, -35.36, -14.63)
CIE-LCH	lch(78.08, 38.26, 202.47°)
OKLab	oklab(79.77% -0.113 -0.0406)
OKLCH	oklch(79.77% 0.12 199.8)
XYZ	xyz(38.5707, 53.3552, 75.2699)
Luminance	0.5336 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D4DB #DB4942

analogous

#42DB95 #42D4DB #4287DB

triadic

#42D4DB #DB42D4 #D4DB42

tetradic

#42D4DB #9542DB #DB4942 #87DB42

square

#42D4DB #9542DB #DB4942 #87DB42

split-complementary

#42D4DB #DB4287 #DB9542

monochromatic

#1A8489 #24B5BC #42D4DB #75E0E5 #A9EBEF

Accessibility & contrast

On white

1.80

#42D4DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.67

#42D4DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D4DB

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D4DB	#FFFFFF	#000000	##000000
##42D4DB	1.00	1.80	11.67	11.67
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.67	21.00	1.00	1.00
##000000	11.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5CBDC

Deuteranopia (green-blind)

#AEBADC

Tritanopia (blue-blind)

#00DCD6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42d4db;
/* rgb */ color: rgb(66, 212, 219);
/* oklch */ color: oklch(79.8% 0.120 199.8);

Tailwind

colors: {
  custom: {
    50: '#8ce1e6',
    500: '#42d4db',
    950: '#000000',
  },
}

SCSS

$custom: #42d4db;
$custom-light: #8ce1e6;
$custom-dark: #000000;

JSON

{
  "hex": "#42d4db",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 219
  },
  "hsl": {
    "h": 182.745,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79767,
    "c": 0.12011,
    "h": 199.8
  },
  "luminance": 0.5336
}

Semantic roles & 50–950 ramp

primary

#42D4DB

secondary

#8F3733

accent

#453DEB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #42D4DB

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

Preview Lab → · Contrast checker → · Palette generator →