#42D5DD#42D5DD

#42D5DD is a light, vivid teal. Relative luminance 0.540; OKLCH L 80.1% C 0.121 H 200.4°. Best body text is #000000 at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#42D5DD
RGB	rgb(66, 213, 221)
HSL	hsl(183, 70%, 56%)
HSV	hsv(183, 70%, 87%)
CMYK	cmyk(70.1%, 3.6%, 0%, 13.3%)
CIE-LAB	lab(78.44, -35.25, -15.16)
CIE-LCH	lch(78.44, 38.37, 203.28°)
OKLab	oklab(80.08% -0.1132 -0.0421)
OKLCH	oklch(80.08% 0.121 200.4)
XYZ	xyz(39.0864, 53.9626, 76.7484)
Luminance	0.5397 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5DD #DD4A42

analogous

#42DD98 #42D5DD #4288DD

triadic

#42D5DD #DD42D5 #D5DD42

tetradic

#42D5DD #9842DD #DD4A42 #88DD42

square

#42D5DD #9842DD #DD4A42 #88DD42

split-complementary

#42D5DD #DD4288 #DD9842

monochromatic

#19868C #22B7BF #42D5DD #76E1E6 #AAECF0

Accessibility & contrast

On white

1.78

#42D5DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.79

#42D5DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5DD

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5DD	#FFFFFF	#000000	##000000
##42D5DD	1.00	1.78	11.79	11.79
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.79	21.00	1.00	1.00
##000000	11.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5CCDE

Deuteranopia (green-blind)

#AFBBDE

Tritanopia (blue-blind)

#00DDD7

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #42d5dd;
/* rgb */ color: rgb(66, 213, 221);
/* oklch */ color: oklch(80.1% 0.121 200.4);

Tailwind

colors: {
  custom: {
    50: '#8ce2e7',
    500: '#42d5dd',
    950: '#000000',
  },
}

SCSS

$custom: #42d5dd;
$custom-light: #8ce2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5dd",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 221
  },
  "hsl": {
    "h": 183.097,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.80076,
    "c": 0.12075,
    "h": 200.4
  },
  "luminance": 0.53967
}

Semantic roles & 50–950 ramp

primary

#42D5DD

secondary

#913732

accent

#453BEC

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #42D5DD

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

Preview Lab → · Contrast checker → · Palette generator →