#42D3BC#42D3BC

#42D3BC is a light, vivid teal. Relative luminance 0.514; OKLCH L 78.5% C 0.126 H 180.0°. Best body text is #000000 at 11.28:1 contrast (WCAG AA passes).

Color values

HEX#42D3BC
RGBrgb(66, 211, 188)
HSLhsl(170, 62%, 54%)
HSVhsv(170, 69%, 83%)
CMYKcmyk(68.7%, 0%, 10.9%, 17.3%)
CIE-LABlab(76.90, -43.39, 0.27)
CIE-LCHlch(76.90, 43.39, 179.65°)
OKLaboklab(78.52% -0.1256 0)
OKLCHoklch(78.52% 0.126 180)
XYZxyz(34.6137, 51.3736, 55.6591)
Luminance0.5138 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D3BC #D34259
analogous
#42D374 #42D3BC #42A2D3
triadic
#42D3BC #BC42D3 #D3BC42
tetradic
#42D3BC #7442D3 #D34259 #A2D342
square
#42D3BC #7442D3 #D34259 #A2D342
split-complementary
#42D3BC #D342A2 #D37442
monochromatic
#1D7D6E #29AF9A #42D3BC #74DFCE #A5EADF

Accessibility & contrast

On white

1.86
#42D3BC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.28
#42D3BC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D3BC
11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D3BC#FFFFFF#000000##000000
##42D3BC1.001.8611.2811.28
#FFFFFF1.861.0021.0021.00
#00000011.2821.001.001.00
##00000011.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#CAC7BB
Deuteranopia (green-blind)
#B6B8BE
Tritanopia (blue-blind)
#00D7CC
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #42d3bc;
/* rgb */ color: rgb(66, 211, 188);
/* oklch */ color: oklch(78.5% 0.126 180.0);
Tailwind
colors: {
  custom: {
    50: '#89e1d0',
    500: '#42d3bc',
    950: '#000000',
  },
}
SCSS
$custom: #42d3bc;
$custom-light: #89e1d0;
$custom-dark: #000000;
JSON
{
  "hex": "#42d3bc",
  "rgb": {
    "r": 66,
    "g": 211,
    "b": 188
  },
  "hsl": {
    "h": 170.483,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.78516,
    "c": 0.12557,
    "h": 180
  },
  "luminance": 0.51378
}

Semantic roles & 50–950 ramp

primary
#42D3BC
secondary
#853441
accent
#425CE5
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1513
muted
#7F8483

Preview Lab

Preview with #42D3BC

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

Preview Lab → · Contrast checker → · Palette generator →

#42D3BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva