#42DADF#42DADF

#42DADF is a light, vivid teal. Relative luminance 0.566; OKLCH L 81.3% C 0.123 H 198.3°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#42DADF
RGB	rgb(66, 218, 223)
HSL	hsl(182, 71%, 57%)
HSV	hsv(182, 70%, 87%)
CMYK	cmyk(70.4%, 2.2%, 0%, 12.5%)
CIE-LAB	lab(79.97, -37.00, -13.94)
CIE-LCH	lch(79.97, 39.54, 200.64°)
OKLab	oklab(81.33% -0.1172 -0.0387)
OKLCH	oklch(81.33% 0.123 198.3)
XYZ	xyz(40.6315, 56.6240, 78.5858)
Luminance	0.5663 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DADF #DF4742

analogous

#42DF96 #42DADF #428CDF

triadic

#42DADF #DF42DA #DADF42

tetradic

#42DADF #9642DF #DF4742 #8CDF42

square

#42DADF #9642DF #DF4742 #8CDF42

split-complementary

#42DADF #DF428C #DF9642

monochromatic

#188B8E #21BEC3 #42DADF #76E4E8 #ABEEF1

Accessibility & contrast

On white

1.70

#42DADF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#42DADF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DADF

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DADF	#FFFFFF	#000000	##000000
##42DADF	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD0E0

Deuteranopia (green-blind)

#B4BFE0

Tritanopia (blue-blind)

#00E2DB

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #42dadf;
/* rgb */ color: rgb(66, 218, 223);
/* oklch */ color: oklch(81.3% 0.123 198.3);

Tailwind

colors: {
  custom: {
    50: '#8de6e9',
    500: '#42dadf',
    950: '#000000',
  },
}

SCSS

$custom: #42dadf;
$custom-light: #8de6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#42dadf",
  "rgb": {
    "r": 66,
    "g": 218,
    "b": 223
  },
  "hsl": {
    "h": 181.911,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.81334,
    "c": 0.12341,
    "h": 198.3
  },
  "luminance": 0.56629
}

Semantic roles & 50–950 ramp

primary

#42DADF

secondary

#943532

accent

#403AEE

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #42DADF

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

Preview Lab → · Contrast checker → · Palette generator →