#42D3CF#42D3CF

#42D3CF is a light, moderate teal. Relative luminance 0.523; OKLCH L 79.1% C 0.120 H 192.3°. Best body text is #000000 at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#42D3CF
RGB	rgb(66, 211, 207)
HSL	hsl(178, 62%, 54%)
HSV	hsv(178, 69%, 83%)
CMYK	cmyk(68.7%, 0%, 1.9%, 17.3%)
CIE-LAB	lab(77.43, -38.29, -9.17)
CIE-LCH	lch(77.43, 39.37, 193.46°)
OKLab	oklab(79.12% -0.1172 -0.0255)
OKLCH	oklch(79.12% 0.12 192.3)
XYZ	xyz(36.7984, 52.2475, 67.1648)
Luminance	0.5225 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D3CF #D34246

analogous

#42D387 #42D3CF #428FD3

triadic

#42D3CF #CF42D3 #D3CF42

tetradic

#42D3CF #8742D3 #D34246 #8FD342

square

#42D3CF #8742D3 #D34246 #8FD342

split-complementary

#42D3CF #D3428F #D38742

monochromatic

#1D7D7B #29AFAB #42D3CF #74DFDC #A5EAE8

Accessibility & contrast

On white

1.83

#42D3CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.45

#42D3CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D3CF

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D3CF	#FFFFFF	#000000	##000000
##42D3CF	1.00	1.83	11.45	11.45
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.45	21.00	1.00	1.00
##000000	11.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6C8CF

Deuteranopia (green-blind)

#B1B9D0

Tritanopia (blue-blind)

#00D9D1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42d3cf;
/* rgb */ color: rgb(66, 211, 207);
/* oklch */ color: oklch(79.1% 0.120 192.3);

Tailwind

colors: {
  custom: {
    50: '#8be1dd',
    500: '#42d3cf',
    950: '#000000',
  },
}

SCSS

$custom: #42d3cf;
$custom-light: #8be1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42d3cf",
  "rgb": {
    "r": 66,
    "g": 211,
    "b": 207
  },
  "hsl": {
    "h": 178.345,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.79116,
    "c": 0.11992,
    "h": 192.3
  },
  "luminance": 0.52252
}

Semantic roles & 50–950 ramp

primary

#42D3CF

secondary

#853436

accent

#4247E5

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #42D3CF

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

Preview Lab → · Contrast checker → · Palette generator →