#66F6DF#66F6DF

#66F6DF is a very light, vivid teal. Relative luminance 0.741; OKLCH L 88.9% C 0.128 H 181.0°. Best body text is #000000 at 15.81:1 contrast (WCAG AA passes).

Color values

HEX#66F6DF
RGBrgb(102, 246, 223)
HSLhsl(170, 89%, 68%)
HSVhsv(170, 59%, 96%)
CMYKcmyk(58.5%, 0%, 9.3%, 3.5%)
CIE-LABlab(88.95, -44.09, -0.54)
CIE-LCHlch(88.95, 44.10, 180.71°)
OKLaboklab(88.87% -0.1284 -0.0022)
OKLCHoklch(88.87% 0.128 181)
XYZxyz(51.7485, 74.0587, 81.3653)
Luminance0.7406 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F6DF #F6667D
analogous
#66F697 #66F6DF #66C5F6
triadic
#66F6DF #DF66F6 #F6DF66
tetradic
#66F6DF #9766F6 #F6667D #C5F666
square
#66F6DF #9766F6 #F6667D #C5F666
split-complementary
#66F6DF #F666C5 #F69766
monochromatic
#0DD5B5 #2CF3D3 #66F6DF #A0F9EB #DAFDF7

Accessibility & contrast

On white

1.33
#66F6DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.81
#66F6DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F6DF
15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F6DF#FFFFFF#000000##000000
##66F6DF1.001.3315.8115.81
#FFFFFF1.331.0021.0021.00
#00000015.8121.001.001.00
##00000015.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#ECE9DE
Deuteranopia (green-blind)
#D6D9E1
Tritanopia (blue-blind)
#00FAEF
Achromatopsia (no color)
#DFDFDF

Design tokens & code

CSS
--color: #66f6df;
/* rgb */ color: rgb(102, 246, 223);
/* oklch */ color: oklch(88.9% 0.128 181.0);
Tailwind
colors: {
  custom: {
    50: '#9ffae8',
    500: '#66f6df',
    950: '#000000',
  },
}
SCSS
$custom: #66f6df;
$custom-light: #9ffae8;
$custom-dark: #000000;
JSON
{
  "hex": "#66f6df",
  "rgb": {
    "r": 102,
    "g": 246,
    "b": 223
  },
  "hsl": {
    "h": 170.417,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.88866,
    "c": 0.12841,
    "h": 181
  },
  "luminance": 0.74064
}

Semantic roles & 50–950 ramp

primary
#66F6DF
secondary
#CF314A
accent
#0025E6
background
#FDFFFE
surface
#F7FFFC
border
#D0D7D5
text
#101716
muted
#818584

Preview Lab

Preview with #66F6DF

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

Preview Lab → · Contrast checker → · Palette generator →

#66F6DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva