#66EFD0#66EFD0
#66EFD0 is a very light, vivid teal. Relative luminance 0.691; OKLCH L 86.8% C 0.128 H 175.8°. Best body text is #000000 at 14.82:1 contrast (WCAG AA passes).
Color values
| HEX | #66EFD0 |
|---|---|
| RGB | rgb(102, 239, 208) |
| HSL | hsl(166, 81%, 67%) |
| HSV | hsv(166, 57%, 94%) |
| CMYK | cmyk(57.3%, 0%, 13%, 6.3%) |
| CIE-LAB | lab(86.56, -44.64, 3.81) |
| CIE-LCH | lch(86.56, 44.81, 175.12°) |
| OKLab | oklab(86.8% -0.1277 0.0094) |
| OKLCH | oklch(86.8% 0.128 175.8) |
| XYZ | xyz(47.7259, 69.1071, 70.4861) |
| Luminance | 0.6911 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Tiffany Blue
#7BF2DA
ΔE00 2.60
Light Turquoise
#7EF4CC
ΔE00 3.48
Aqua (survey)
#13EAC9
ΔE00 3.52
Light Aqua
#8CFFDB
ΔE00 4.55
Aqua Marine
#2EE8BB
ΔE00 4.70
Aquamarine
#7FFFD4
ΔE00 4.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66EFD0 #EF6685
analogous
#66EF8C #66EFD0 #66CAEF
triadic
#66EFD0 #D066EF #EFD066
tetradic
#66EFD0 #8C66EF #EF6685 #CAEF66
square
#66EFD0 #8C66EF #EF6685 #CAEF66
split-complementary
#66EFD0 #EF66CA #EF8C66
monochromatic
#15C69E #2FE9BF #66EFD0 #9DF5E1 #D5FBF2
Accessibility & contrast
On white
1.42
#66EFD0 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
14.82
#66EFD0 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66EFD0
14.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66EFD0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66EFD0 | 1.00 | 1.42 | 14.82 | 14.82 |
| #FFFFFF | 1.42 | 1.00 | 21.00 | 21.00 |
| #000000 | 14.82 | 21.00 | 1.00 | 1.00 |
| ##000000 | 14.82 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#E7E1CF
Deuteranopia (green-blind)
#D2D2D2
Tritanopia (blue-blind)
#00F2E6
Achromatopsia (no color)
#D9D9D9
Design tokens & code
CSS
--color: #66efd0; /* rgb */ color: rgb(102, 239, 208); /* oklch */ color: oklch(86.8% 0.128 175.8);
Tailwind
colors: {
custom: {
50: '#9df5de',
500: '#66efd0',
950: '#000000',
},
}SCSS
$custom: #66efd0; $custom-light: #9df5de; $custom-dark: #000000;
JSON
{
"hex": "#66efd0",
"rgb": {
"r": 102,
"g": 239,
"b": 208
},
"hsl": {
"h": 166.423,
"s": 81.065,
"l": 66.863
},
"oklch": {
"l": 0.86797,
"c": 0.12803,
"h": 175.8
},
"luminance": 0.69112
}Semantic roles & 50–950 ramp
primary
#66EFD0
secondary
#C33656
accent
#0838DD
background
#FCFFFE
surface
#F6FEFC
border
#D0D6D5
text
#0F1715
muted
#808584