#42C4D0#42C4D0

#42C4D0 is a light, moderate teal. Relative luminance 0.452; OKLCH L 75.6% C 0.111 H 204.0°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#42C4D0
RGB	rgb(66, 196, 208)
HSL	hsl(185, 60%, 54%)
HSV	hsv(185, 68%, 82%)
CMYK	cmyk(68.3%, 5.8%, 0%, 18.4%)
CIE-LAB	lab(73.02, -30.97, -16.32)
CIE-LCH	lch(73.02, 35.01, 207.79°)
OKLab	oklab(75.55% -0.1018 -0.0453)
OKLCH	oklch(75.55% 0.111 204)
XYZ	xyz(33.3669, 45.1884, 66.6260)
Luminance	0.4519 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4D0 #D04E42

analogous

#42D095 #42C4D0 #427DD0

triadic

#42C4D0 #D042C4 #C4D042

tetradic

#42C4D0 #9542D0 #D04E42 #7DD042

square

#42C4D0 #9542D0 #D04E42 #7DD042

split-complementary

#42C4D0 #D0427D #D09542

monochromatic

#1E7279 #2AA0AA #42C4D0 #73D3DC #A4E3E8

Accessibility & contrast

On white

2.09

#42C4D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#42C4D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4D0

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4D0	#FFFFFF	#000000	##000000
##42C4D0	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5BCD1

Deuteranopia (green-blind)

#A0ADD1

Tritanopia (blue-blind)

#00CCC7

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42c4d0;
/* rgb */ color: rgb(66, 196, 208);
/* oklch */ color: oklch(75.6% 0.111 204.0);

Tailwind

colors: {
  custom: {
    50: '#89d6de',
    500: '#42c4d0',
    950: '#000000',
  },
}

SCSS

$custom: #42c4d0;
$custom-light: #89d6de;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4d0",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 208
  },
  "hsl": {
    "h": 185.07,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.75552,
    "c": 0.11146,
    "h": 204
  },
  "luminance": 0.45192
}

Semantic roles & 50–950 ramp

primary

#42C4D0

secondary

#D59E99

accent

#5244E3

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C4D0

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

Preview Lab → · Contrast checker → · Palette generator →