#42CFDF#42CFDF

#42CFDF is a light, moderate teal. Relative luminance 0.511; OKLCH L 78.7% C 0.119 H 206.1°. Best body text is #000000 at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#42CFDF
RGB	rgb(66, 207, 223)
HSL	hsl(186, 71%, 57%)
HSV	hsv(186, 70%, 87%)
CMYK	cmyk(70.4%, 7.2%, 0%, 12.5%)
CIE-LAB	lab(76.74, -31.83, -18.80)
CIE-LCH	lch(76.74, 36.96, 210.56°)
OKLab	oklab(78.72% -0.1065 -0.0522)
OKLCH	oklch(78.72% 0.119 206.1)
XYZ	xyz(37.8731, 51.1072, 77.6664)
Luminance	0.5111 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CFDF #DF5242

analogous

#42DFA1 #42CFDF #4280DF

triadic

#42CFDF #DF42CF #CFDF42

tetradic

#42CFDF #A142DF #DF5242 #80DF42

square

#42CFDF #A142DF #DF5242 #80DF42

split-complementary

#42CFDF #DF4280 #DFA142

monochromatic

#18828E #21B2C3 #42CFDF #76DCE8 #ABEAF1

Accessibility & contrast

On white

1.87

#42CFDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.22

#42CFDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CFDF

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CFDF	#FFFFFF	#000000	##000000
##42CFDF	1.00	1.87	11.22	11.22
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.22	21.00	1.00	1.00
##000000	11.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEC7E0

Deuteranopia (green-blind)

#A7B6DF

Tritanopia (blue-blind)

#00D8D4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #42cfdf;
/* rgb */ color: rgb(66, 207, 223);
/* oklch */ color: oklch(78.7% 0.119 206.1);

Tailwind

colors: {
  custom: {
    50: '#8cdee9',
    500: '#42cfdf',
    950: '#000000',
  },
}

SCSS

$custom: #42cfdf;
$custom-light: #8cdee9;
$custom-dark: #000000;

JSON

{
  "hex": "#42cfdf",
  "rgb": {
    "r": 66,
    "g": 207,
    "b": 223
  },
  "hsl": {
    "h": 186.115,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.78725,
    "c": 0.11863,
    "h": 206.1
  },
  "luminance": 0.51112
}

Semantic roles & 50–950 ramp

primary

#42CFDF

secondary

#943C32

accent

#4C3AEE

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #42CFDF

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

Preview Lab → · Contrast checker → · Palette generator →