#42C8D9#42C8D9

#42C8D9 is a light, moderate teal. Relative luminance 0.475; OKLCH L 76.8% C 0.115 H 207.3°. Best body text is #000000 at 10.50:1 contrast (WCAG AA passes).

Color values

HEX#42C8D9
RGBrgb(66, 200, 217)
HSLhsl(187, 67%, 55%)
HSVhsv(187, 70%, 85%)
CMYKcmyk(69.6%, 7.8%, 0%, 14.9%)
CIE-LABlab(74.49, -30.24, -18.97)
CIE-LCHlch(74.49, 35.70, 212.10°)
OKLaboklab(76.84% -0.1021 -0.0527)
OKLCHoklch(76.84% 0.115 207.3)
XYZxyz(35.4200, 47.4725, 72.9285)
Luminance0.4748 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C8D9 #D95342
analogous
#42D99E #42C8D9 #427CD9
triadic
#42C8D9 #D942C8 #C8D942
tetradic
#42C8D9 #9E42D9 #D95342 #7CD942
square
#42C8D9 #9E42D9 #D95342 #7CD942
split-complementary
#42C8D9 #D9427C #D99E42
monochromatic
#1B7A86 #25A8B9 #42C8D9 #75D7E3 #A8E6ED

Accessibility & contrast

On white

2.00
#42C8D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.50
#42C8D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8D9
10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C8D9#FFFFFF#000000##000000
##42C8D91.002.0010.5010.50
#FFFFFF2.001.0021.0021.00
#00000010.5021.001.001.00
##00000010.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7C0DA
Deuteranopia (green-blind)
#A2B0D9
Tritanopia (blue-blind)
#00D1CD
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #42c8d9;
/* rgb */ color: rgb(66, 200, 217);
/* oklch */ color: oklch(76.8% 0.115 207.3);
Tailwind
colors: {
  custom: {
    50: '#8ad9e4',
    500: '#42c8d9',
    950: '#000000',
  },
}
SCSS
$custom: #42c8d9;
$custom-light: #8ad9e4;
$custom-dark: #000000;
JSON
{
  "hex": "#42c8d9",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 217
  },
  "hsl": {
    "h": 186.755,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.76841,
    "c": 0.11491,
    "h": 207.3
  },
  "luminance": 0.47477
}

Semantic roles & 50–950 ramp

primary
#42C8D9
secondary
#DBA39C
accent
#523EE9
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0D1415
muted
#7E8383

Preview Lab

Preview with #42C8D9

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

Preview Lab → · Contrast checker → · Palette generator →

#42C8D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva