#42C8CA#42C8CA

#42C8CA is a light, moderate teal. Relative luminance 0.467; OKLCH L 76.3% C 0.113 H 196.5°. Best body text is #000000 at 10.35:1 contrast (WCAG AA passes).

Color values

HEX#42C8CA
RGBrgb(66, 200, 202)
HSLhsl(181, 56%, 53%)
HSVhsv(181, 67%, 79%)
CMYKcmyk(67.3%, 1%, 0%, 20.8%)
CIE-LABlab(74.01, -34.61, -11.56)
CIE-LCHlch(74.01, 36.49, 198.47°)
OKLaboklab(76.3% -0.1084 -0.0321)
OKLCHoklch(76.3% 0.113 196.5)
XYZxyz(33.5569, 46.7272, 63.1164)
Luminance0.4673 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C8CA #CA4442
analogous
#42CA88 #42C8CA #4284CA
triadic
#42C8CA #CA42C8 #C8CA42
tetradic
#42C8CA #8842CA #CA4442 #84CA42
square
#42C8CA #8842CA #CA4442 #84CA42
split-complementary
#42C8CA #CA4284 #CA8842
monochromatic
#207172 #2DA0A2 #42C8CA #72D6D7 #A2E4E5

Accessibility & contrast

On white

2.03
#42C8CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.35
#42C8CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8CA
10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C8CA#FFFFFF#000000##000000
##42C8CA1.002.0310.3510.35
#FFFFFF2.031.0021.0021.00
#00000010.3521.001.001.00
##00000010.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBBFCA
Deuteranopia (green-blind)
#A6B0CB
Tritanopia (blue-blind)
#00CEC8
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #42c8ca;
/* rgb */ color: rgb(66, 200, 202);
/* oklch */ color: oklch(76.3% 0.113 196.5);
Tailwind
colors: {
  custom: {
    50: '#89d9da',
    500: '#42c8ca',
    950: '#000000',
  },
}
SCSS
$custom: #42c8ca;
$custom-light: #89d9da;
$custom-dark: #000000;
JSON
{
  "hex": "#42c8ca",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 202
  },
  "hsl": {
    "h": 180.882,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.76298,
    "c": 0.11302,
    "h": 196.5
  },
  "luminance": 0.46731
}

Semantic roles & 50–950 ramp

primary
#42C8CA
secondary
#D19796
accent
#4B48DF
background
#F9FDFD
surface
#F1FAFA
border
#CBD3D3
text
#0D1414
muted
#7E8383

Preview Lab

Preview with #42C8CA

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

Preview Lab → · Contrast checker → · Palette generator →

#42C8CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva