#42C0D0#42C0D0

#42C0D0 is a light, moderate teal. Relative luminance 0.434; OKLCH L 74.6% C 0.110 H 207.2°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#42C0D0
RGB	rgb(66, 192, 208)
HSL	hsl(187, 60%, 54%)
HSV	hsv(187, 68%, 82%)
CMYK	cmyk(68.3%, 7.7%, 0%, 18.4%)
CIE-LAB	lab(71.83, -29.03, -18.11)
CIE-LCH	lch(71.83, 34.21, 211.96°)
OKLab	oklab(74.6% -0.0978 -0.0503)
OKLCH	oklch(74.6% 0.11 207.2)
XYZ	xyz(32.4767, 43.4079, 66.3292)
Luminance	0.4341 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C0D0 #D05242

analogous

#42D099 #42C0D0 #4279D0

triadic

#42C0D0 #D042C0 #C0D042

tetradic

#42C0D0 #9942D0 #D05242 #79D042

square

#42C0D0 #9942D0 #D05242 #79D042

split-complementary

#42C0D0 #D04279 #D09942

monochromatic

#1E6F79 #2A9CAA #42C0D0 #73D0DC #A4E1E8

Accessibility & contrast

On white

2.17

#42C0D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#42C0D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C0D0

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C0D0	#FFFFFF	#000000	##000000
##42C0D0	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B9D1

Deuteranopia (green-blind)

#9BAAD0

Tritanopia (blue-blind)

#00C8C5

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42c0d0;
/* rgb */ color: rgb(66, 192, 208);
/* oklch */ color: oklch(74.6% 0.110 207.2);

Tailwind

colors: {
  custom: {
    50: '#89d3de',
    500: '#42c0d0',
    950: '#000000',
  },
}

SCSS

$custom: #42c0d0;
$custom-light: #89d3de;
$custom-dark: #000000;

JSON

{
  "hex": "#42c0d0",
  "rgb": {
    "r": 66,
    "g": 192,
    "b": 208
  },
  "hsl": {
    "h": 186.761,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.74595,
    "c": 0.11001,
    "h": 207.2
  },
  "luminance": 0.43412
}

Semantic roles & 50–950 ramp

primary

#42C0D0

secondary

#D59F99

accent

#5644E3

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C0D0

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

Preview Lab → · Contrast checker → · Palette generator →