#42C8CF#42C8CF

#42C8CF is a light, moderate teal. Relative luminance 0.470; OKLCH L 76.5% C 0.113 H 200.1°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#42C8CF
RGB	rgb(66, 200, 207)
HSL	hsl(183, 59%, 54%)
HSV	hsv(183, 68%, 81%)
CMYK	cmyk(68.1%, 3.4%, 0%, 18.8%)
CIE-LAB	lab(74.17, -33.17, -14.04)
CIE-LCH	lch(74.17, 36.02, 202.94°)
OKLab	oklab(76.47% -0.1062 -0.0389)
OKLCH	oklch(76.47% 0.113 200.1)
XYZ	xyz(34.1586, 46.9679, 66.2848)
Luminance	0.4697 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8CF #CF4942

analogous

#42CF8F #42C8CF #4281CF

triadic

#42C8CF #CF42C8 #C8CF42

tetradic

#42C8CF #8F42CF #CF4942 #81CF42

square

#42C8CF #8F42CF #CF4942 #81CF42

split-complementary

#42C8CF #CF4281 #CF8F42

monochromatic

#1F7478 #2BA3A9 #42C8CF #73D6DB #A4E4E8

Accessibility & contrast

On white

2.02

#42C8CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#42C8CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8CF

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8CF	#FFFFFF	#000000	##000000
##42C8CF	1.00	2.02	10.39	10.39
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.39	21.00	1.00	1.00
##000000	10.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BABFD0

Deuteranopia (green-blind)

#A5B0D0

Tritanopia (blue-blind)

#00CFCA

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #42c8cf;
/* rgb */ color: rgb(66, 200, 207);
/* oklch */ color: oklch(76.5% 0.113 200.1);

Tailwind

colors: {
  custom: {
    50: '#89d9dd',
    500: '#42c8cf',
    950: '#000000',
  },
}

SCSS

$custom: #42c8cf;
$custom-light: #89d9dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8cf",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 207
  },
  "hsl": {
    "h": 182.979,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.76474,
    "c": 0.11316,
    "h": 200.1
  },
  "luminance": 0.46972
}

Semantic roles & 50–950 ramp

primary

#42C8CF

secondary

#D59B98

accent

#4D45E3

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C8CF

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

Preview Lab → · Contrast checker → · Palette generator →