#42CFDB#42CFDB

#42CFDB is a light, moderate teal. Relative luminance 0.509; OKLCH L 78.6% C 0.118 H 203.4°. Best body text is #000000 at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#42CFDB
RGB	rgb(66, 207, 219)
HSL	hsl(185, 68%, 56%)
HSV	hsv(185, 70%, 86%)
CMYK	cmyk(69.9%, 5.5%, 0%, 14.1%)
CIE-LAB	lab(76.61, -33.00, -16.84)
CIE-LCH	lch(76.61, 37.05, 207.03°)
OKLab	oklab(78.58% -0.1082 -0.0467)
OKLCH	oklch(78.58% 0.118 203.4)
XYZ	xyz(37.3402, 50.8940, 74.8597)
Luminance	0.5090 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CFDB #DB4E42

analogous

#42DB9A #42CFDB #4282DB

triadic

#42CFDB #DB42CF #CFDB42

tetradic

#42CFDB #9A42DB #DB4E42 #82DB42

square

#42CFDB #9A42DB #DB4E42 #82DB42

split-complementary

#42CFDB #DB4282 #DB9A42

monochromatic

#1A8089 #24B0BC #42CFDB #75DCE5 #A9E9EF

Accessibility & contrast

On white

1.88

#42CFDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.18

#42CFDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CFDB

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CFDB	#FFFFFF	#000000	##000000
##42CFDB	1.00	1.88	11.18	11.18
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.18	21.00	1.00	1.00
##000000	11.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFC6DC

Deuteranopia (green-blind)

#A9B6DC

Tritanopia (blue-blind)

#00D7D2

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #42cfdb;
/* rgb */ color: rgb(66, 207, 219);
/* oklch */ color: oklch(78.6% 0.118 203.4);

Tailwind

colors: {
  custom: {
    50: '#8bdee6',
    500: '#42cfdb',
    950: '#000000',
  },
}

SCSS

$custom: #42cfdb;
$custom-light: #8bdee6;
$custom-dark: #000000;

JSON

{
  "hex": "#42cfdb",
  "rgb": {
    "r": 66,
    "g": 207,
    "b": 219
  },
  "hsl": {
    "h": 184.706,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.78578,
    "c": 0.11783,
    "h": 203.4
  },
  "luminance": 0.50898
}

Semantic roles & 50–950 ramp

primary

#42CFDB

secondary

#8F3A33

accent

#4B3DEB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #42CFDB

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

Preview Lab → · Contrast checker → · Palette generator →