#66FDB3#66FDB3

#66FDB3 is a very light, vivid teal. Relative luminance 0.763; OKLCH L 89.4% C 0.166 H 158.8°. Best body text is #000000 at 16.27:1 contrast (WCAG AA passes).

Color values

HEX#66FDB3
RGBrgb(102, 253, 179)
HSLhsl(151, 97%, 70%)
HSVhsv(151, 60%, 99%)
CMYKcmyk(59.7%, 0%, 29.2%, 0.8%)
CIE-LABlab(90.01, -56.74, 23.69)
CIE-LCHlch(90.01, 61.49, 157.34°)
OKLaboklab(89.41% -0.1549 0.0601)
OKLCHoklch(89.41% 0.166 158.8)
XYZxyz(48.7370, 76.3252, 54.8029)
Luminance0.7633 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FDB3 #FD66B0
analogous
#66FD68 #66FDB3 #66FBFD
triadic
#66FDB3 #B366FD #FDB366
tetradic
#66FDB3 #6866FD #FD66B0 #FBFD66
square
#66FDB3 #6866FD #FD66B0 #FBFD66
split-complementary
#66FDB3 #FD66FB #FD6866
monochromatic
#03E677 #2AFC95 #66FDB3 #A2FED1 #DFFFEF

Accessibility & contrast

On white

1.29
#66FDB3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.27
#66FDB3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDB3
16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FDB3#FFFFFF#000000##000000
##66FDB31.001.2916.2716.27
#FFFFFF1.291.0021.0021.00
#00000016.2721.001.001.00
##00000016.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#FBEBAF
Deuteranopia (green-blind)
#E6DCB8
Tritanopia (blue-blind)
#1BFCE9
Achromatopsia (no color)
#E2E2E2

Design tokens & code

CSS
--color: #66fdb3;
/* rgb */ color: rgb(102, 253, 179);
/* oklch */ color: oklch(89.4% 0.166 158.8);
Tailwind
colors: {
  custom: {
    50: '#9effca',
    500: '#66fdb3',
    950: '#000000',
  },
}
SCSS
$custom: #66fdb3;
$custom-light: #9effca;
$custom-dark: #000000;
JSON
{
  "hex": "#66fdb3",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 179
  },
  "hsl": {
    "h": 150.596,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.8941,
    "c": 0.16619,
    "h": 158.8
  },
  "luminance": 0.7633
}

Semantic roles & 50–950 ramp

primary
#66FDB3
secondary
#D82F82
accent
#0070E6
background
#FCFFFD
surface
#F6FFF9
border
#D0D7D2
text
#101813
muted
#808682

Preview Lab

Preview with #66FDB3

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

Preview Lab → · Contrast checker → · Palette generator →

#66FDB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva