#66EFD4#66EFD4
#66EFD4 is a very light, vivid teal. Relative luminance 0.693; OKLCH L 86.9% C 0.126 H 178.1°. Best body text is #000000 at 14.86:1 contrast (WCAG AA passes).
Color values
| HEX | #66EFD4 |
|---|---|
| RGB | rgb(102, 239, 212) |
| HSL | hsl(168, 81%, 67%) |
| HSV | hsv(168, 57%, 94%) |
| CMYK | cmyk(57.3%, 0%, 11.3%, 6.3%) |
| CIE-LAB | lab(86.66, -43.69, 1.86) |
| CIE-LCH | lch(86.66, 43.73, 177.56°) |
| OKLab | oklab(86.91% -0.1259 0.0042) |
| OKLCH | oklch(86.91% 0.126 178.1) |
| XYZ | xyz(48.2242, 69.3064, 73.1107) |
| Luminance | 0.6931 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Tiffany Blue
#7BF2DA
ΔE00 1.90
Aqua (survey)
#13EAC9
ΔE00 3.76
Light Turquoise
#7EF4CC
ΔE00 4.47
Light Aqua
#8CFFDB
ΔE00 5.05
Turquoise
#40E0D0
ΔE00 5.07
Bright Aqua
#0BF9EA
ΔE00 5.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66EFD4 #EF6681
analogous
#66EF90 #66EFD4 #66C6EF
triadic
#66EFD4 #D466EF #EFD466
tetradic
#66EFD4 #9066EF #EF6681 #C6EF66
square
#66EFD4 #9066EF #EF6681 #C6EF66
split-complementary
#66EFD4 #EF66C6 #EF9066
monochromatic
#15C6A3 #2FE9C4 #66EFD4 #9DF5E4 #D5FBF3
Accessibility & contrast
On white
1.41
#66EFD4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
14.86
#66EFD4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66EFD4
14.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66EFD4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66EFD4 | 1.00 | 1.41 | 14.86 | 14.86 |
| #FFFFFF | 1.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 14.86 | 21.00 | 1.00 | 1.00 |
| ##000000 | 14.86 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#E6E2D3
Deuteranopia (green-blind)
#D2D3D6
Tritanopia (blue-blind)
#00F2E7
Achromatopsia (no color)
#D9D9D9
Design tokens & code
CSS
--color: #66efd4; /* rgb */ color: rgb(102, 239, 212); /* oklch */ color: oklch(86.9% 0.126 178.1);
Tailwind
colors: {
custom: {
50: '#9df5e1',
500: '#66efd4',
950: '#000000',
},
}SCSS
$custom: #66efd4; $custom-light: #9df5e1; $custom-dark: #000000;
JSON
{
"hex": "#66efd4",
"rgb": {
"r": 102,
"g": 239,
"b": 212
},
"hsl": {
"h": 168.175,
"s": 81.065,
"l": 66.863
},
"oklch": {
"l": 0.8691,
"c": 0.126,
"h": 178.1
},
"luminance": 0.69311
}Semantic roles & 50–950 ramp
primary
#66EFD4
secondary
#C33652
accent
#0832DD
background
#FCFFFE
surface
#F6FEFC
border
#D0D6D5
text
#0F1715
muted
#808584