#66FFDD#66FFDD

#66FFDD is a very light, vivid teal. Relative luminance 0.796; OKLCH L 90.9% C 0.139 H 175.7°. Best body text is #000000 at 16.91:1 contrast (WCAG AA passes).

Color values

HEX#66FFDD
RGBrgb(102, 255, 221)
HSLhsl(167, 100%, 70%)
HSVhsv(167, 60%, 100%)
CMYKcmyk(60%, 0%, 13.3%, 0%)
CIE-LABlab(91.49, -48.46, 4.19)
CIE-LCHlch(91.49, 48.64, 175.06°)
OKLaboklab(90.91% -0.1384 0.0104)
OKLCHoklch(90.91% 0.139 175.7)
XYZxyz(54.2845, 79.5596, 80.8883)
Luminance0.7956 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FFDD #FF6688
analogous
#66FF91 #66FFDD #66D4FF
triadic
#66FFDD #DD66FF #FFDD66
tetradic
#66FFDD #9166FF #FF6688 #D4FF66
square
#66FFDD #9166FF #FF6688 #D4FF66
split-complementary
#66FFDD #FF66D4 #FF9166
monochromatic
#00EBB6 #29FFCF #66FFDD #A3FFEB #E0FFF8

Accessibility & contrast

On white

1.24
#66FFDD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.91
#66FFDD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FFDD
16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FFDD#FFFFFF#000000##000000
##66FFDD1.001.2416.9116.91
#FFFFFF1.241.0021.0021.00
#00000016.9121.001.001.00
##00000016.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#F6F0DB
Deuteranopia (green-blind)
#E0E0E0
Tritanopia (blue-blind)
#00FFF5
Achromatopsia (no color)
#E7E7E7

Design tokens & code

CSS
--color: #66ffdd;
/* rgb */ color: rgb(102, 255, 221);
/* oklch */ color: oklch(90.9% 0.139 175.7);
Tailwind
colors: {
  custom: {
    50: '#a0ffe7',
    500: '#66ffdd',
    950: '#000000',
  },
}
SCSS
$custom: #66ffdd;
$custom-light: #a0ffe7;
$custom-dark: #000000;
JSON
{
  "hex": "#66ffdd",
  "rgb": {
    "r": 102,
    "g": 255,
    "b": 221
  },
  "hsl": {
    "h": 166.667,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.90912,
    "c": 0.13881,
    "h": 175.7
  },
  "luminance": 0.79565
}

Semantic roles & 50–950 ramp

primary
#66FFDD
secondary
#DA2F55
accent
#0033E6
background
#FDFFFE
surface
#F7FFFC
border
#D0D7D5
text
#101816
muted
#818684

Preview Lab

Preview with #66FFDD

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

Preview Lab → · Contrast checker → · Palette generator →

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