#66DEF2#66DEF2

#66DEF2 is a very light, moderate teal. Relative luminance 0.615; OKLCH L 83.9% C 0.111 H 210.0°. Best body text is #000000 at 13.30:1 contrast (WCAG AA passes).

Color values

HEX#66DEF2
RGBrgb(102, 222, 242)
HSLhsl(189, 84%, 67%)
HSVhsv(189, 58%, 95%)
CMYKcmyk(57.9%, 8.3%, 0%, 5.1%)
CIE-LABlab(82.63, -28.02, -19.94)
CIE-LCHlch(82.63, 34.39, 215.43°)
OKLaboklab(83.94% -0.0957 -0.0552)
OKLCHoklch(83.94% 0.111 210)
XYZxyz(47.6212, 61.4734, 93.3431)
Luminance0.6148 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DEF2 #F27A66
analogous
#66F2C0 #66DEF2 #6698F2
triadic
#66DEF2 #F266DE #DEF266
tetradic
#66DEF2 #C066F2 #F27A66 #98F266
square
#66DEF2 #C066F2 #F27A66 #98F266
split-complementary
#66DEF2 #F26698 #F2C066
monochromatic
#11B2CC #2ED2ED #66DEF2 #9EEAF7 #D7F6FC

Accessibility & contrast

On white

1.58
#66DEF2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.30
#66DEF2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DEF2
13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DEF2#FFFFFF#000000##000000
##66DEF21.001.5813.3013.30
#FFFFFF1.581.0021.0021.00
#00000013.3021.001.001.00
##00000013.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#CDD7F3
Deuteranopia (green-blind)
#B7C7F2
Tritanopia (blue-blind)
#00E7E4
Achromatopsia (no color)
#CECECE

Design tokens & code

CSS
--color: #66def2;
/* rgb */ color: rgb(102, 222, 242);
/* oklch */ color: oklch(83.9% 0.111 210.0);
Tailwind
colors: {
  custom: {
    50: '#9ee8f6',
    500: '#66def2',
    950: '#000000',
  },
}
SCSS
$custom: #66def2;
$custom-light: #9ee8f6;
$custom-dark: #000000;
JSON
{
  "hex": "#66def2",
  "rgb": {
    "r": 102,
    "g": 222,
    "b": 242
  },
  "hsl": {
    "h": 188.571,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.83941,
    "c": 0.1105,
    "h": 210
  },
  "luminance": 0.61478
}

Semantic roles & 50–950 ramp

primary
#66DEF2
secondary
#C94934
accent
#2405E1
background
#FCFEFF
surface
#F6FCFE
border
#D0D5D6
text
#101617
muted
#808485

Preview Lab

Preview with #66DEF2

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

Preview Lab → · Contrast checker → · Palette generator →

#66DEF2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva