#42C4D3#42C4D3

#42C4D3 is a light, moderate teal. Relative luminance 0.453; OKLCH L 75.7% C 0.112 H 206.2°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX#42C4D3
RGBrgb(66, 196, 211)
HSLhsl(186, 62%, 54%)
HSVhsv(186, 69%, 83%)
CMYKcmyk(68.7%, 7.1%, 0%, 17.3%)
CIE-LABlab(73.11, -30.08, -17.80)
CIE-LCHlch(73.11, 34.96, 210.62°)
OKLaboklab(75.66% -0.1006 -0.0494)
OKLCHoklch(75.66% 0.112 206.2)
XYZxyz(33.7395, 45.3374, 68.5882)
Luminance0.4534 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C4D3 #D35142
analogous
#42D39A #42C4D3 #427CD3
triadic
#42C4D3 #D342C4 #C4D342
tetradic
#42C4D3 #9A42D3 #D35142 #7CD342
square
#42C4D3 #9A42D3 #D35142 #7CD342
split-complementary
#42C4D3 #D3427C #D39A42
monochromatic
#1D737D #29A1AF #42C4D3 #74D3DF #A5E3EA

Accessibility & contrast

On white

2.09
#42C4D3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.07
#42C4D3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4D3
10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C4D3#FFFFFF#000000##000000
##42C4D31.002.0910.0710.07
#FFFFFF2.091.0021.0021.00
#00000010.0721.001.001.00
##00000010.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B4BCD4
Deuteranopia (green-blind)
#9FADD3
Tritanopia (blue-blind)
#00CCC8
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #42c4d3;
/* rgb */ color: rgb(66, 196, 211);
/* oklch */ color: oklch(75.7% 0.112 206.2);
Tailwind
colors: {
  custom: {
    50: '#89d6e0',
    500: '#42c4d3',
    950: '#000000',
  },
}
SCSS
$custom: #42c4d3;
$custom-light: #89d6e0;
$custom-dark: #000000;
JSON
{
  "hex": "#42c4d3",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 211
  },
  "hsl": {
    "h": 186.207,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.75663,
    "c": 0.11209,
    "h": 206.2
  },
  "luminance": 0.45341
}

Semantic roles & 50–950 ramp

primary
#42C4D3
secondary
#D7A09A
accent
#5342E5
background
#F9FDFD
surface
#F1FAFB
border
#CBD3D4
text
#0D1415
muted
#7E8383

Preview Lab

Preview with #42C4D3

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

Preview Lab → · Contrast checker → · Palette generator →

#42C4D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva