#42C4D4#42C4D4

#42C4D4 is a light, moderate teal. Relative luminance 0.454; OKLCH L 75.7% C 0.112 H 206.9°. Best body text is #000000 at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#42C4D4
RGB	rgb(66, 196, 212)
HSL	hsl(187, 63%, 55%)
HSV	hsv(187, 69%, 83%)
CMYK	cmyk(68.9%, 7.5%, 0%, 16.9%)
CIE-LAB	lab(73.15, -29.79, -18.29)
CIE-LCH	lch(73.15, 34.96, 211.56°)
OKLab	oklab(75.7% -0.1002 -0.0508)
OKLCH	oklch(75.7% 0.112 206.9)
XYZ	xyz(33.8652, 45.3877, 69.2505)
Luminance	0.4539 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4D4 #D45242

analogous

#42D49B #42C4D4 #427BD4

triadic

#42C4D4 #D442C4 #C4D442

tetradic

#42C4D4 #9B42D4 #D45242 #7BD442

square

#42C4D4 #9B42D4 #D45242 #7BD442

split-complementary

#42C4D4 #D4427B #D49B42

monochromatic

#1D747F #28A2B1 #42C4D4 #74D4DF #A6E3EB

Accessibility & contrast

On white

2.08

#42C4D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.08

#42C4D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4D4

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4D4	#FFFFFF	#000000	##000000
##42C4D4	1.00	2.08	10.08	10.08
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.08	21.00	1.00	1.00
##000000	10.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4BCD5

Deuteranopia (green-blind)

#9FADD4

Tritanopia (blue-blind)

#00CCC9

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c4d4;
/* rgb */ color: rgb(66, 196, 212);
/* oklch */ color: oklch(75.7% 0.112 206.9);

Tailwind

colors: {
  custom: {
    50: '#89d6e1',
    500: '#42c4d4',
    950: '#000000',
  },
}

SCSS

$custom: #42c4d4;
$custom-light: #89d6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4d4",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 212
  },
  "hsl": {
    "h": 186.575,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.75701,
    "c": 0.11234,
    "h": 206.9
  },
  "luminance": 0.45392
}

Semantic roles & 50–950 ramp

primary

#42C4D4

secondary

#D8A19A

accent

#5442E6

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C4D4

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

Preview Lab → · Contrast checker → · Palette generator →