#42DDDB#42DDDB

#42DDDB is a light, vivid teal. Relative luminance 0.580; OKLCH L 81.9% C 0.125 H 193.7°. Best body text is #000000 at 12.60:1 contrast (WCAG AA passes).

Color values

HEX#42DDDB
RGBrgb(66, 221, 219)
HSLhsl(179, 70%, 56%)
HSVhsv(179, 70%, 87%)
CMYKcmyk(70.1%, 0%, 0.9%, 13.3%)
CIE-LABlab(80.73, -39.50, -10.67)
CIE-LCHlch(80.73, 40.91, 195.12°)
OKLaboklab(81.91% -0.1218 -0.0297)
OKLCHoklch(81.91% 0.125 193.7)
XYZxyz(40.8836, 57.9808, 76.0408)
Luminance0.5799 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42DDDB #DD4244
analogous
#42DD8E #42DDDB #4292DD
triadic
#42DDDB #DB42DD #DDDB42
tetradic
#42DDDB #8E42DD #DD4244 #92DD42
square
#42DDDB #8E42DD #DD4244 #92DD42
split-complementary
#42DDDB #DD4292 #DD8E42
monochromatic
#198C8A #22BFBD #42DDDB #76E6E5 #AAF0EF

Accessibility & contrast

On white

1.67
#42DDDB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.60
#42DDDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DDDB
12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42DDDB#FFFFFF#000000##000000
##42DDDB1.001.6712.6012.60
#FFFFFF1.671.0021.0021.00
#00000012.6021.001.001.00
##00000012.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFD2DB
Deuteranopia (green-blind)
#B8C1DC
Tritanopia (blue-blind)
#00E4DC
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #42dddb;
/* rgb */ color: rgb(66, 221, 219);
/* oklch */ color: oklch(81.9% 0.125 193.7);
Tailwind
colors: {
  custom: {
    50: '#8de8e6',
    500: '#42dddb',
    950: '#000000',
  },
}
SCSS
$custom: #42dddb;
$custom-light: #8de8e6;
$custom-dark: #000000;
JSON
{
  "hex": "#42dddb",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 219
  },
  "hsl": {
    "h": 179.226,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.81911,
    "c": 0.12536,
    "h": 193.7
  },
  "luminance": 0.57986
}

Semantic roles & 50–950 ramp

primary
#42DDDB
secondary
#913233
accent
#3B3EEC
background
#FCFEFE
surface
#F5FDFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #42DDDB

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

Preview Lab → · Contrast checker → · Palette generator →

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