#42D4B9#42D4B9

#42D4B9 is a light, vivid teal. Relative luminance 0.517; OKLCH L 78.7% C 0.128 H 177.7°. Best body text is #000000 at 11.35:1 contrast (WCAG AA passes).

Color values

HEX#42D4B9
RGBrgb(66, 212, 185)
HSLhsl(169, 63%, 55%)
HSVhsv(169, 69%, 83%)
CMYKcmyk(68.9%, 0%, 12.7%, 16.9%)
CIE-LABlab(77.13, -44.60, 2.20)
CIE-LCHlch(77.13, 44.65, 177.18°)
OKLaboklab(78.67% -0.1279 0.0051)
OKLCHoklch(78.67% 0.128 177.7)
XYZxyz(34.5429, 51.7440, 54.0566)
Luminance0.5175 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D4B9 #D4425D
analogous
#42D470 #42D4B9 #42A6D4
triadic
#42D4B9 #B942D4 #D4B942
tetradic
#42D4B9 #7042D4 #D4425D #A6D442
square
#42D4B9 #7042D4 #D4425D #A6D442
split-complementary
#42D4B9 #D442A6 #D47042
monochromatic
#1D7F6D #28B197 #42D4B9 #74DFCB #A6EBDE

Accessibility & contrast

On white

1.85
#42D4B9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.35
#42D4B9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D4B9
11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D4B9#FFFFFF#000000##000000
##42D4B91.001.8511.3511.35
#FFFFFF1.851.0021.0021.00
#00000011.3521.001.001.00
##00000011.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#CCC7B8
Deuteranopia (green-blind)
#B7B8BB
Tritanopia (blue-blind)
#00D7CC
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #42d4b9;
/* rgb */ color: rgb(66, 212, 185);
/* oklch */ color: oklch(78.7% 0.128 177.7);
Tailwind
colors: {
  custom: {
    50: '#89e2ce',
    500: '#42d4b9',
    950: '#000000',
  },
}
SCSS
$custom: #42d4b9;
$custom-light: #89e2ce;
$custom-dark: #000000;
JSON
{
  "hex": "#42d4b9",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 185
  },
  "hsl": {
    "h": 168.904,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.78672,
    "c": 0.12803,
    "h": 177.7
  },
  "luminance": 0.51748
}

Semantic roles & 50–950 ramp

primary
#42D4B9
secondary
#863443
accent
#4260E6
background
#FCFEFE
surface
#F4FCFA
border
#CED5D3
text
#0D1513
muted
#7F8483

Preview Lab

Preview with #42D4B9

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

Preview Lab → · Contrast checker → · Palette generator →

#42D4B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva