#42D5CA#42D5CA

#42D5CA is a light, vivid teal. Relative luminance 0.530; OKLCH L 79.4% C 0.122 H 187.7°. Best body text is #000000 at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#42D5CA
RGB	rgb(66, 213, 202)
HSL	hsl(176, 64%, 55%)
HSV	hsv(176, 69%, 84%)
CMYK	cmyk(69%, 0%, 5.2%, 16.5%)
CIE-LAB	lab(77.88, -40.57, -5.82)
CIE-LCH	lch(77.88, 40.98, 188.16°)
OKLab	oklab(79.44% -0.1213 -0.0164)
OKLCH	oklch(79.44% 0.122 187.7)
XYZ	xyz(36.6967, 53.0068, 64.1630)
Luminance	0.5301 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5CA #D5424D

analogous

#42D580 #42D5CA #4297D5

triadic

#42D5CA #CA42D5 #D5CA42

tetradic

#42D5CA #8042D5 #D5424D #97D542

square

#42D5CA #8042D5 #D5424D #97D542

split-complementary

#42D5CA #D54297 #D58042

monochromatic

#1C8079 #28B2A8 #42D5CA #74E0D8 #A6EBE6

Accessibility & contrast

On white

1.81

#42D5CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.60

#42D5CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5CA

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5CA	#FFFFFF	#000000	##000000
##42D5CA	1.00	1.81	11.60	11.60
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.60	21.00	1.00	1.00
##000000	11.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CACACA

Deuteranopia (green-blind)

#B4BACB

Tritanopia (blue-blind)

#00DAD1

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d5ca;
/* rgb */ color: rgb(66, 213, 202);
/* oklch */ color: oklch(79.4% 0.122 187.7);

Tailwind

colors: {
  custom: {
    50: '#8be2da',
    500: '#42d5ca',
    950: '#000000',
  },
}

SCSS

$custom: #42d5ca;
$custom-light: #8be2da;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5ca",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 202
  },
  "hsl": {
    "h": 175.51,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79435,
    "c": 0.12242,
    "h": 187.7
  },
  "luminance": 0.53011
}

Semantic roles & 50–950 ramp

primary

#42D5CA

secondary

#87343A

accent

#414EE7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D5CA

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

Preview Lab → · Contrast checker → · Palette generator →