#42C0CA#42C0CA

#42C0CA is a light, moderate teal. Relative luminance 0.431; OKLCH L 74.4% C 0.109 H 202.7°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).

Color values

HEX#42C0CA
RGBrgb(66, 192, 202)
HSLhsl(184, 56%, 53%)
HSVhsv(184, 67%, 79%)
CMYKcmyk(67.3%, 5%, 0%, 20.8%)
CIE-LABlab(71.64, -30.80, -15.13)
CIE-LCHlch(71.64, 34.32, 206.17°)
OKLaboklab(74.37% -0.1003 -0.042)
OKLCHoklch(74.37% 0.109 202.7)
XYZxyz(31.7524, 43.1182, 62.5149)
Luminance0.4312 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C0CA #CA4C42
analogous
#42CA90 #42C0CA #427CCA
triadic
#42C0CA #CA42C0 #C0CA42
tetradic
#42C0CA #9042CA #CA4C42 #7CCA42
square
#42C0CA #9042CA #CA4C42 #7CCA42
split-complementary
#42C0CA #CA427C #CA9042
monochromatic
#206C72 #2D99A2 #42C0CA #72D0D7 #A2E0E5

Accessibility & contrast

On white

2.18
#42C0CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.62
#42C0CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C0CA
9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C0CA#FFFFFF#000000##000000
##42C0CA1.002.189.629.62
#FFFFFF2.181.0021.0021.00
#0000009.6221.001.001.00
##0000009.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#B1B8CB
Deuteranopia (green-blind)
#9DA9CB
Tritanopia (blue-blind)
#00C7C3
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #42c0ca;
/* rgb */ color: rgb(66, 192, 202);
/* oklch */ color: oklch(74.4% 0.109 202.7);
Tailwind
colors: {
  custom: {
    50: '#88d3da',
    500: '#42c0ca',
    950: '#000000',
  },
}
SCSS
$custom: #42c0ca;
$custom-light: #88d3da;
$custom-dark: #000000;
JSON
{
  "hex": "#42c0ca",
  "rgb": {
    "r": 66,
    "g": 192,
    "b": 202
  },
  "hsl": {
    "h": 184.412,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.74372,
    "c": 0.10876,
    "h": 202.7
  },
  "luminance": 0.43122
}

Semantic roles & 50–950 ramp

primary
#42C0CA
secondary
#D19B96
accent
#5348DF
background
#F9FDFD
surface
#F1FAFA
border
#CBD3D3
text
#0D1414
muted
#7E8383

Preview Lab

Preview with #42C0CA

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

Preview Lab → · Contrast checker → · Palette generator →

#42C0CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva