#42C9D7#42C9D7

#42C9D7 is a light, moderate teal. Relative luminance 0.478; OKLCH L 77.0% C 0.115 H 205.1°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX#42C9D7
RGBrgb(66, 201, 215)
HSLhsl(186, 65%, 55%)
HSVhsv(186, 69%, 84%)
CMYKcmyk(69.3%, 6.5%, 0%, 15.7%)
CIE-LABlab(74.72, -31.31, -17.54)
CIE-LCHlch(74.72, 35.89, 209.26°)
OKLaboklab(77% -0.1039 -0.0487)
OKLCHoklch(77% 0.115 205.1)
XYZxyz(35.3938, 47.8337, 71.6443)
Luminance0.4784 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C9D7 #D75042
analogous
#42D79B #42C9D7 #427ED7
triadic
#42C9D7 #D742C9 #C9D742
tetradic
#42C9D7 #9B42D7 #D75042 #7ED742
square
#42C9D7 #9B42D7 #D75042 #7ED742
split-complementary
#42C9D7 #D7427E #D79B42
monochromatic
#1C7983 #26A8B5 #42C9D7 #75D7E2 #A7E6EC

Accessibility & contrast

On white

1.99
#42C9D7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.57
#42C9D7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C9D7
10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C9D7#FFFFFF#000000##000000
##42C9D71.001.9910.5710.57
#FFFFFF1.991.0021.0021.00
#00000010.5721.001.001.00
##00000010.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9C1D8
Deuteranopia (green-blind)
#A3B1D7
Tritanopia (blue-blind)
#00D1CD
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #42c9d7;
/* rgb */ color: rgb(66, 201, 215);
/* oklch */ color: oklch(77.0% 0.115 205.1);
Tailwind
colors: {
  custom: {
    50: '#8adae3',
    500: '#42c9d7',
    950: '#000000',
  },
}
SCSS
$custom: #42c9d7;
$custom-light: #8adae3;
$custom-dark: #000000;
JSON
{
  "hex": "#42c9d7",
  "rgb": {
    "r": 66,
    "g": 201,
    "b": 215
  },
  "hsl": {
    "h": 185.638,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.77004,
    "c": 0.11476,
    "h": 205.1
  },
  "luminance": 0.47838
}

Semantic roles & 50–950 ramp

primary
#42C9D7
secondary
#DAA19B
accent
#5040E8
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0D1515
muted
#7E8383

Preview Lab

Preview with #42C9D7

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

Preview Lab → · Contrast checker → · Palette generator →

#42C9D7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva