#42F3BB#42F3BB

#42F3BB is a very light, vivid teal. Relative luminance 0.688; OKLCH L 86.3% C 0.162 H 166.8°. Best body text is #000000 at 14.77:1 contrast (WCAG AA passes).

Color values

HEX#42F3BB
RGBrgb(66, 243, 187)
HSLhsl(161, 88%, 61%)
HSVhsv(161, 73%, 95%)
CMYKcmyk(72.8%, 0%, 23%, 4.7%)
CIE-LABlab(86.43, -56.88, 14.46)
CIE-LCHlch(86.43, 58.68, 165.74°)
OKLaboklab(86.3% -0.1572 0.037)
OKLCHoklch(86.3% 0.162 166.8)
XYZxyz(43.2621, 68.8422, 58.0119)
Luminance0.6885 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42F3BB #F3427A
analogous
#42F362 #42F3BB #42D2F3
triadic
#42F3BB #BB42F3 #F3BB42
tetradic
#42F3BB #6242F3 #F3427A #D2F342
square
#42F3BB #6242F3 #F3427A #D2F342
split-complementary
#42F3BB #F342D2 #F36242
monochromatic
#0BAF7B #0FE9A4 #42F3BB #7CF7D0 #B5FAE4

Accessibility & contrast

On white

1.42
#42F3BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.77
#42F3BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42F3BB
14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42F3BB#FFFFFF#000000##000000
##42F3BB1.001.4214.7714.77
#FFFFFF1.421.0021.0021.00
#00000014.7721.001.001.00
##00000014.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#EDE2B8
Deuteranopia (green-blind)
#D7D2BF
Tritanopia (blue-blind)
#00F4E3
Achromatopsia (no color)
#D8D8D8

Design tokens & code

CSS
--color: #42f3bb;
/* rgb */ color: rgb(66, 243, 187);
/* oklch */ color: oklch(86.3% 0.162 166.8);
Tailwind
colors: {
  custom: {
    50: '#8ef8cf',
    500: '#42f3bb',
    950: '#000000',
  },
}
SCSS
$custom: #42f3bb;
$custom-light: #8ef8cf;
$custom-dark: #000000;
JSON
{
  "hex": "#42f3bb",
  "rgb": {
    "r": 66,
    "g": 243,
    "b": 187
  },
  "hsl": {
    "h": 161.017,
    "s": 88.06,
    "l": 60.588
  },
  "oklch": {
    "l": 0.86297,
    "c": 0.16154,
    "h": 166.8
  },
  "luminance": 0.68847
}

Semantic roles & 50–950 ramp

primary
#42F3BB
secondary
#B02A54
accent
#0149E5
background
#FCFFFE
surface
#F5FFFB
border
#CFD7D4
text
#0E1713
muted
#7F8583

Preview Lab

Preview with #42F3BB

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

Preview Lab → · Contrast checker → · Palette generator →

#42F3BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva