#66F4E4#66F4E4
#66F4E4 is a very light, vivid teal. Relative luminance 0.731; OKLCH L 88.5% C 0.125 H 185.0°. Best body text is #000000 at 15.63:1 contrast (WCAG AA passes).
Color values
| HEX | #66F4E4 |
|---|---|
| RGB | rgb(102, 244, 228) |
| HSL | hsl(173, 87%, 68%) |
| HSV | hsv(173, 58%, 96%) |
| CMYK | cmyk(58.2%, 0%, 6.6%, 4.3%) |
| CIE-LAB | lab(88.51, -41.97, -3.80) |
| CIE-LCH | lch(88.51, 42.14, 185.18°) |
| OKLab | oklab(88.55% -0.1242 -0.0109) |
| OKLCH | oklch(88.55% 0.125 185) |
| XYZ | xyz(51.8275, 73.1223, 84.7664) |
| Luminance | 0.7313 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Bright Aqua
#0BF9EA
ΔE00 3.25
Tiffany Blue
#7BF2DA
ΔE00 3.28
Turquoise
#40E0D0
ΔE00 4.82
Bright Turquoise
#0FFEF9
ΔE00 4.98
Bright Cyan
#41FDFE
ΔE00 6.06
Aqua
#00FFFF
ΔE00 6.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66F4E4 #F46676
analogous
#66F49D #66F4E4 #66BDF4
triadic
#66F4E4 #E466F4 #F4E466
tetradic
#66F4E4 #9D66F4 #F46676 #BDF466
square
#66F4E4 #9D66F4 #F46676 #BDF466
split-complementary
#66F4E4 #F466BD #F49D66
monochromatic
#0FD1BB #2DF0DA #66F4E4 #9FF8EE #D8FCF8
Accessibility & contrast
On white
1.34
#66F4E4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
15.63
#66F4E4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66F4E4
15.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66F4E4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66F4E4 | 1.00 | 1.34 | 15.63 | 15.63 |
| #FFFFFF | 1.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 15.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 15.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#E9E8E4
Deuteranopia (green-blind)
#D3D7E6
Tritanopia (blue-blind)
#00F9EF
Achromatopsia (no color)
#DEDEDE
Design tokens & code
CSS
--color: #66f4e4; /* rgb */ color: rgb(102, 244, 228); /* oklch */ color: oklch(88.5% 0.125 185.0);
Tailwind
colors: {
custom: {
50: '#9ff8ec',
500: '#66f4e4',
950: '#000000',
},
}SCSS
$custom: #66f4e4; $custom-light: #9ff8ec; $custom-dark: #000000;
JSON
{
"hex": "#66f4e4",
"rgb": {
"r": 102,
"g": 244,
"b": 228
},
"hsl": {
"h": 173.239,
"s": 86.585,
"l": 67.843
},
"oklch": {
"l": 0.88548,
"c": 0.12468,
"h": 185
},
"luminance": 0.73128
}Semantic roles & 50–950 ramp
primary
#66F4E4
secondary
#CC3243
accent
#021CE3
background
#FDFFFE
surface
#F7FFFD
border
#D0D7D5
text
#101716
muted
#818584