#42D2E2#42D2E2

#42D2E2 is a light, vivid teal. Relative luminance 0.527; OKLCH L 79.5% C 0.120 H 205.9°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#42D2E2
RGB	rgb(66, 210, 226)
HSL	hsl(186, 73%, 57%)
HSV	hsv(186, 71%, 89%)
CMYK	cmyk(70.8%, 7.1%, 0%, 11.4%)
CIE-LAB	lab(77.72, -32.37, -18.93)
CIE-LCH	lch(77.72, 37.50, 210.32°)
OKLab	oklab(79.55% -0.1082 -0.0526)
OKLCH	oklch(79.55% 0.12 205.9)
XYZ	xyz(39.0148, 52.7378, 80.0600)
Luminance	0.5274 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D2E2 #E25242

analogous

#42E2A2 #42D2E2 #4282E2

triadic

#42D2E2 #E242D2 #D2E242

tetradic

#42D2E2 #A242E2 #E25242 #82E242

square

#42D2E2 #A242E2 #E25242 #82E242

split-complementary

#42D2E2 #E24282 #E2A242

monochromatic

#178793 #1FB7C8 #42D2E2 #77DFEA #ACEBF2

Accessibility & contrast

On white

1.82

#42D2E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#42D2E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D2E2

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D2E2	#FFFFFF	#000000	##000000
##42D2E2	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1CAE3

Deuteranopia (green-blind)

#AAB9E2

Tritanopia (blue-blind)

#00DBD7

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d2e2;
/* rgb */ color: rgb(66, 210, 226);
/* oklch */ color: oklch(79.5% 0.120 205.9);

Tailwind

colors: {
  custom: {
    50: '#8ce0eb',
    500: '#42d2e2',
    950: '#000000',
  },
}

SCSS

$custom: #42d2e2;
$custom-light: #8ce0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#42d2e2",
  "rgb": {
    "r": 66,
    "g": 210,
    "b": 226
  },
  "hsl": {
    "h": 186,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.79546,
    "c": 0.12031,
    "h": 205.9
  },
  "luminance": 0.52742
}

Semantic roles & 50–950 ramp

primary

#42D2E2

secondary

#983B31

accent

#4A38F0

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #42D2E2

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

Preview Lab → · Contrast checker → · Palette generator →