#66E5CB#66E5CB
#66E5CB is a very light, moderate teal. Relative luminance 0.632; OKLCH L 84.3% C 0.119 H 177.7°. Best body text is #000000 at 13.64:1 contrast (WCAG AA passes).
Color values
| HEX | #66E5CB |
|---|---|
| RGB | rgb(102, 229, 203) |
| HSL | hsl(168, 71%, 65%) |
| HSV | hsv(168, 55%, 90%) |
| CMYK | cmyk(55.5%, 0%, 11.4%, 10.2%) |
| CIE-LAB | lab(83.53, -41.43, 2.05) |
| CIE-LCH | lch(83.53, 41.48, 177.17°) |
| OKLab | oklab(84.3% -0.1193 0.0048) |
| OKLCH | oklch(84.3% 0.119 177.7) |
| XYZ | xyz(44.2734, 63.1709, 66.3484) |
| Luminance | 0.6318 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Tiffany Blue
#7BF2DA
ΔE00 3.25
Aqua (survey)
#13EAC9
ΔE00 3.91
Turquoise
#40E0D0
ΔE00 4.12
Light Turquoise
#7EF4CC
ΔE00 5.29
Seafoam Blue
#78D1B6
ΔE00 5.48
Aqua Marine
#2EE8BB
ΔE00 5.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66E5CB #E56680
analogous
#66E58C #66E5CB #66BFE5
triadic
#66E5CB #CB66E5 #E5CB66
tetradic
#66E5CB #8C66E5 #E56680 #BFE566
square
#66E5CB #8C66E5 #E56680 #BFE566
split-complementary
#66E5CB #E566BF #E58C66
monochromatic
#1EB294 #32DCB9 #66E5CB #9AEEDD #CFF7EF
Accessibility & contrast
On white
1.54
#66E5CB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
13.64
#66E5CB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66E5CB
13.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66E5CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66E5CB | 1.00 | 1.54 | 13.64 | 13.64 |
| #FFFFFF | 1.54 | 1.00 | 21.00 | 21.00 |
| #000000 | 13.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 13.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#DDD9CA
Deuteranopia (green-blind)
#C9CACD
Tritanopia (blue-blind)
#00E8DD
Achromatopsia (no color)
#D0D0D0
Design tokens & code
CSS
--color: #66e5cb; /* rgb */ color: rgb(102, 229, 203); /* oklch */ color: oklch(84.3% 0.119 177.7);
Tailwind
colors: {
custom: {
50: '#9ceeda',
500: '#66e5cb',
950: '#000000',
},
}SCSS
$custom: #66e5cb; $custom-light: #9ceeda; $custom-dark: #000000;
JSON
{
"hex": "#66e5cb",
"rgb": {
"r": 102,
"g": 229,
"b": 203
},
"hsl": {
"h": 167.717,
"s": 70.95,
"l": 64.902
},
"oklch": {
"l": 0.84299,
"c": 0.11945,
"h": 177.7
},
"luminance": 0.63175
}Semantic roles & 50–950 ramp
primary
#66E5CB
secondary
#B33C55
accent
#133AD3
background
#FCFFFE
surface
#F6FEFB
border
#D0D6D4
text
#0F1614
muted
#808583