#42C6D5#42C6D5

#42C6D5 is a light, moderate teal. Relative luminance 0.464; OKLCH L 76.2% C 0.113 H 206.0°. Best body text is #000000 at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#42C6D5
RGB	rgb(66, 198, 213)
HSL	hsl(186, 64%, 55%)
HSV	hsv(186, 69%, 84%)
CMYK	cmyk(69%, 7%, 0%, 16.5%)
CIE-LAB	lab(73.77, -30.46, -17.89)
CIE-LCH	lch(73.77, 35.33, 210.44°)
OKLab	oklab(76.22% -0.1018 -0.0497)
OKLCH	oklch(76.22% 0.113 206)
XYZ	xyz(34.4459, 46.3465, 70.0683)
Luminance	0.4635 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C6D5 #D55142

analogous

#42D59A #42C6D5 #427DD5

triadic

#42C6D5 #D542C6 #C6D542

tetradic

#42C6D5 #9A42D5 #D55142 #7DD542

square

#42C6D5 #9A42D5 #D55142 #7DD542

split-complementary

#42C6D5 #D5427D #D59A42

monochromatic

#1C7680 #28A4B2 #42C6D5 #74D5E0 #A6E4EB

Accessibility & contrast

On white

2.04

#42C6D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.27

#42C6D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C6D5

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C6D5	#FFFFFF	#000000	##000000
##42C6D5	1.00	2.04	10.27	10.27
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.27	21.00	1.00	1.00
##000000	10.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6BED6

Deuteranopia (green-blind)

#A1AFD5

Tritanopia (blue-blind)

#00CECA

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42c6d5;
/* rgb */ color: rgb(66, 198, 213);
/* oklch */ color: oklch(76.2% 0.113 206.0);

Tailwind

colors: {
  custom: {
    50: '#8ad7e1',
    500: '#42c6d5',
    950: '#000000',
  },
}

SCSS

$custom: #42c6d5;
$custom-light: #8ad7e1;
$custom-dark: #000000;

JSON

{
  "hex": "#42c6d5",
  "rgb": {
    "r": 66,
    "g": 198,
    "b": 213
  },
  "hsl": {
    "h": 186.122,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76215,
    "c": 0.11325,
    "h": 206
  },
  "luminance": 0.46351
}

Semantic roles & 50–950 ramp

primary

#42C6D5

secondary

#D8A19A

accent

#5241E7

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C6D5

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

Preview Lab → · Contrast checker → · Palette generator →