#66FBD9#66FBD9

#66FBD9 is a very light, vivid teal. Relative luminance 0.768; OKLCH L 89.9% C 0.137 H 175.3°. Best body text is #000000 at 16.37:1 contrast (WCAG AA passes).

Color values

HEX#66FBD9
RGBrgb(102, 251, 217)
HSLhsl(166, 95%, 69%)
HSVhsv(166, 59%, 98%)
CMYKcmyk(59.4%, 0%, 13.5%, 1.6%)
CIE-LABlab(90.24, -47.70, 4.45)
CIE-LCHlch(90.24, 47.91, 174.67°)
OKLaboklab(89.87% -0.1361 0.0111)
OKLCHoklch(89.87% 0.137 175.3)
XYZxyz(52.4952, 76.8235, 77.6941)
Luminance0.7683 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FBD9 #FB6688
analogous
#66FB8F #66FBD9 #66D2FB
triadic
#66FBD9 #D966FB #FBD966
tetradic
#66FBD9 #8F66FB #FB6688 #D2FB66
square
#66FBD9 #8F66FB #FB6688 #D2FB66
split-complementary
#66FBD9 #FB66D2 #FB8F66
monochromatic
#06E1AF #2AF9CA #66FBD9 #A2FDE8 #DDFEF7

Accessibility & contrast

On white

1.28
#66FBD9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.37
#66FBD9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FBD9
16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FBD9#FFFFFF#000000##000000
##66FBD91.001.2816.3716.37
#FFFFFF1.281.0021.0021.00
#00000016.3721.001.001.00
##00000016.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#F3ECD7
Deuteranopia (green-blind)
#DDDCDC
Tritanopia (blue-blind)
#00FEF1
Achromatopsia (no color)
#E3E3E3

Design tokens & code

CSS
--color: #66fbd9;
/* rgb */ color: rgb(102, 251, 217);
/* oklch */ color: oklch(89.9% 0.137 175.3);
Tailwind
colors: {
  custom: {
    50: '#9ffde4',
    500: '#66fbd9',
    950: '#000000',
  },
}
SCSS
$custom: #66fbd9;
$custom-light: #9ffde4;
$custom-dark: #000000;
JSON
{
  "hex": "#66fbd9",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 217
  },
  "hsl": {
    "h": 166.309,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.89865,
    "c": 0.13655,
    "h": 175.3
  },
  "luminance": 0.76829
}

Semantic roles & 50–950 ramp

primary
#66FBD9
secondary
#D53056
accent
#0034E6
background
#FDFFFE
surface
#F7FFFC
border
#D0D7D5
text
#101815
muted
#818684

Preview Lab

Preview with #66FBD9

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

Preview Lab → · Contrast checker → · Palette generator →

#66FBD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva