#66DFF0#66DFF0

#66DFF0 is a very light, moderate teal. Relative luminance 0.619; OKLCH L 84.1% C 0.110 H 207.8°. Best body text is #000000 at 13.38:1 contrast (WCAG AA passes).

Color values

HEX#66DFF0
RGBrgb(102, 223, 240)
HSLhsl(187, 82%, 67%)
HSVhsv(187, 58%, 94%)
CMYKcmyk(57.5%, 7.1%, 0%, 5.9%)
CIE-LABlab(82.85, -29.06, -18.54)
CIE-LCHlch(82.85, 34.47, 212.54°)
OKLaboklab(84.1% -0.0975 -0.0513)
OKLCHoklch(84.1% 0.11 207.8)
XYZxyz(47.5889, 61.8867, 91.8586)
Luminance0.6189 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DFF0 #F07766
analogous
#66F0BC #66DFF0 #669AF0
triadic
#66DFF0 #F066DF #DFF066
tetradic
#66DFF0 #BC66F0 #F07766 #9AF066
square
#66DFF0 #BC66F0 #F07766 #9AF066
split-complementary
#66DFF0 #F0669A #F0BC66
monochromatic
#14B2C8 #2ED3EB #66DFF0 #9EEBF5 #D5F6FB

Accessibility & contrast

On white

1.57
#66DFF0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.38
#66DFF0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DFF0
13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DFF0#FFFFFF#000000##000000
##66DFF01.001.5713.3813.38
#FFFFFF1.571.0021.0021.00
#00000013.3821.001.001.00
##00000013.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#CED7F1
Deuteranopia (green-blind)
#B9C8F0
Tritanopia (blue-blind)
#00E8E4
Achromatopsia (no color)
#CECECE

Design tokens & code

CSS
--color: #66dff0;
/* rgb */ color: rgb(102, 223, 240);
/* oklch */ color: oklch(84.1% 0.110 207.8);
Tailwind
colors: {
  custom: {
    50: '#9ee9f5',
    500: '#66dff0',
    950: '#000000',
  },
}
SCSS
$custom: #66dff0;
$custom-light: #9ee9f5;
$custom-dark: #000000;
JSON
{
  "hex": "#66dff0",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 240
  },
  "hsl": {
    "h": 187.391,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.84097,
    "c": 0.11021,
    "h": 207.8
  },
  "luminance": 0.61891
}

Semantic roles & 50–950 ramp

primary
#66DFF0
secondary
#C54735
accent
#2207DF
background
#FCFEFF
surface
#F6FDFE
border
#D0D5D6
text
#101617
muted
#808485

Preview Lab

Preview with #66DFF0

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

Preview Lab → · Contrast checker → · Palette generator →

#66DFF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva