#42C6CC#42C6CC

#42C6CC is a light, moderate teal. Relative luminance 0.459; OKLCH L 75.9% C 0.112 H 199.5°. Best body text is #000000 at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#42C6CC
RGB	rgb(66, 198, 204)
HSL	hsl(183, 58%, 53%)
HSV	hsv(183, 68%, 80%)
CMYK	cmyk(67.6%, 2.9%, 0%, 20%)
CIE-LAB	lab(73.48, -33.09, -13.44)
CIE-LCH	lch(73.48, 35.72, 202.11°)
OKLab	oklab(75.89% -0.1055 -0.0373)
OKLCH	oklch(75.89% 0.112 199.5)
XYZ	xyz(33.3351, 45.9022, 64.2182)
Luminance	0.4591 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C6CC #CC4842

analogous

#42CC8D #42C6CC #4281CC

triadic

#42C6CC #CC42C6 #C6CC42

tetradic

#42C6CC #8D42CC #CC4842 #81CC42

square

#42C6CC #8D42CC #CC4842 #81CC42

split-complementary

#42C6CC #CC4281 #CC8D42

monochromatic

#1F7174 #2C9FA4 #42C6CC #72D5D9 #A2E3E6

Accessibility & contrast

On white

2.06

#42C6CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.18

#42C6CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C6CC

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C6CC	#FFFFFF	#000000	##000000
##42C6CC	1.00	2.06	10.18	10.18
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.18	21.00	1.00	1.00
##000000	10.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8BDCD

Deuteranopia (green-blind)

#A3AECD

Tritanopia (blue-blind)

#00CDC7

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c6cc;
/* rgb */ color: rgb(66, 198, 204);
/* oklch */ color: oklch(75.9% 0.112 199.5);

Tailwind

colors: {
  custom: {
    50: '#89d7db',
    500: '#42c6cc',
    950: '#000000',
  },
}

SCSS

$custom: #42c6cc;
$custom-light: #89d7db;
$custom-dark: #000000;

JSON

{
  "hex": "#42c6cc",
  "rgb": {
    "r": 66,
    "g": 198,
    "b": 204
  },
  "hsl": {
    "h": 182.609,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.75887,
    "c": 0.11192,
    "h": 199.5
  },
  "luminance": 0.45906
}

Semantic roles & 50–950 ramp

primary

#42C6CC

secondary

#D39A97

accent

#4E47E1

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C6CC

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

Preview Lab → · Contrast checker → · Palette generator →