#42C4CC#42C4CC

#42C4CC is a light, moderate teal. Relative luminance 0.450; OKLCH L 75.4% C 0.111 H 201.0°. Best body text is #000000 at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#42C4CC
RGB	rgb(66, 196, 204)
HSL	hsl(183, 58%, 53%)
HSV	hsv(183, 68%, 80%)
CMYK	cmyk(67.6%, 3.9%, 0%, 20%)
CIE-LAB	lab(72.89, -32.14, -14.34)
CIE-LCH	lch(72.89, 35.19, 204.04°)
OKLab	oklab(75.41% -0.1035 -0.0398)
OKLCH	oklch(75.41% 0.111 201)
XYZ	xyz(32.8810, 44.9940, 64.0668)
Luminance	0.4500 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4CC #CC4A42

analogous

#42CC8F #42C4CC #427FCC

triadic

#42C4CC #CC42C4 #C4CC42

tetradic

#42C4CC #8F42CC #CC4A42 #7FCC42

square

#42C4CC #8F42CC #CC4A42 #7FCC42

split-complementary

#42C4CC #CC427F #CC8F42

monochromatic

#1F6F74 #2C9DA4 #42C4CC #72D3D9 #A2E2E6

Accessibility & contrast

On white

2.10

#42C4CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.00

#42C4CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4CC

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4CC	#FFFFFF	#000000	##000000
##42C4CC	1.00	2.10	10.00	10.00
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.00	21.00	1.00	1.00
##000000	10.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6BCCD

Deuteranopia (green-blind)

#A1ACCD

Tritanopia (blue-blind)

#00CBC6

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42c4cc;
/* rgb */ color: rgb(66, 196, 204);
/* oklch */ color: oklch(75.4% 0.111 201.0);

Tailwind

colors: {
  custom: {
    50: '#89d6db',
    500: '#42c4cc',
    950: '#000000',
  },
}

SCSS

$custom: #42c4cc;
$custom-light: #89d6db;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4cc",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 204
  },
  "hsl": {
    "h": 183.478,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.75406,
    "c": 0.11089,
    "h": 201
  },
  "luminance": 0.44998
}

Semantic roles & 50–950 ramp

primary

#42C4CC

secondary

#D39B97

accent

#5047E1

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C4CC

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

Preview Lab → · Contrast checker → · Palette generator →