#42C4CF#42C4CF

#42C4CF is a light, moderate teal. Relative luminance 0.451; OKLCH L 75.5% C 0.111 H 203.2°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#42C4CF
RGB	rgb(66, 196, 207)
HSL	hsl(185, 59%, 54%)
HSV	hsv(185, 68%, 81%)
CMYK	cmyk(68.1%, 5.3%, 0%, 18.8%)
CIE-LAB	lab(72.98, -31.26, -15.82)
CIE-LCH	lch(72.98, 35.04, 206.85°)
OKLab	oklab(75.52% -0.1023 -0.0439)
OKLCH	oklch(75.52% 0.111 203.2)
XYZ	xyz(33.2443, 45.1393, 65.9801)
Luminance	0.4514 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4CF #CF4D42

analogous

#42CF93 #42C4CF #427DCF

triadic

#42C4CF #CF42C4 #C4CF42

tetradic

#42C4CF #9342CF #CF4D42 #7DCF42

square

#42C4CF #9342CF #CF4D42 #7DCF42

split-complementary

#42C4CF #CF427D #CF9342

monochromatic

#1F7178 #2B9FA9 #42C4CF #73D3DB #A4E2E8

Accessibility & contrast

On white

2.09

#42C4CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#42C4CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4CF

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4CF	#FFFFFF	#000000	##000000
##42C4CF	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5BCD0

Deuteranopia (green-blind)

#A0ADD0

Tritanopia (blue-blind)

#00CCC7

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42c4cf;
/* rgb */ color: rgb(66, 196, 207);
/* oklch */ color: oklch(75.5% 0.111 203.2);

Tailwind

colors: {
  custom: {
    50: '#89d6dd',
    500: '#42c4cf',
    950: '#000000',
  },
}

SCSS

$custom: #42c4cf;
$custom-light: #89d6dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4cf",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 207
  },
  "hsl": {
    "h": 184.681,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.75515,
    "c": 0.11129,
    "h": 203.2
  },
  "luminance": 0.45143
}

Semantic roles & 50–950 ramp

primary

#42C4CF

secondary

#D59D98

accent

#5145E3

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C4CF

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

Preview Lab → · Contrast checker → · Palette generator →