#66F0E4#66F0E4
#66F0E4 is a very light, vivid teal. Relative luminance 0.707; OKLCH L 87.6% C 0.121 H 187.3°. Best body text is #000000 at 15.15:1 contrast (WCAG AA passes).
Color values
| HEX | #66F0E4 |
|---|---|
| RGB | rgb(102, 240, 228) |
| HSL | hsl(175, 82%, 67%) |
| HSV | hsv(175, 58%, 94%) |
| CMYK | cmyk(57.5%, 0%, 5%, 5.9%) |
| CIE-LAB | lab(87.36, -40.18, -5.49) |
| CIE-LCH | lch(87.36, 40.55, 187.78°) |
| OKLab | oklab(87.62% -0.1201 -0.0155) |
| OKLCH | oklch(87.62% 0.121 187.3) |
| XYZ | xyz(50.6370, 70.7413, 84.3696) |
| Luminance | 0.7075 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Bright Aqua
#0BF9EA
ΔE00 3.74
Tiffany Blue
#7BF2DA
ΔE00 4.31
Turquoise
#40E0D0
ΔE00 4.40
Bright Turquoise
#0FFEF9
ΔE00 4.70
Bright Cyan
#41FDFE
ΔE00 5.33
Aqua
#00FFFF
ΔE00 5.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66F0E4 #F06672
analogous
#66F09F #66F0E4 #66B7F0
triadic
#66F0E4 #E466F0 #F0E466
tetradic
#66F0E4 #9F66F0 #F06672 #B7F066
square
#66F0E4 #9F66F0 #F06672 #B7F066
split-complementary
#66F0E4 #F066B7 #F09F66
monochromatic
#14C8B8 #2EEBDA #66F0E4 #9EF5EE #D5FBF8
Accessibility & contrast
On white
1.39
#66F0E4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
15.15
#66F0E4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66F0E4
15.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66F0E4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66F0E4 | 1.00 | 1.39 | 15.15 | 15.15 |
| #FFFFFF | 1.39 | 1.00 | 21.00 | 21.00 |
| #000000 | 15.15 | 21.00 | 1.00 | 1.00 |
| ##000000 | 15.15 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#E4E4E4
Deuteranopia (green-blind)
#CFD4E6
Tritanopia (blue-blind)
#00F5EC
Achromatopsia (no color)
#DBDBDB
Design tokens & code
CSS
--color: #66f0e4; /* rgb */ color: rgb(102, 240, 228); /* oklch */ color: oklch(87.6% 0.121 187.3);
Tailwind
colors: {
custom: {
50: '#9ef5ec',
500: '#66f0e4',
950: '#000000',
},
}SCSS
$custom: #66f0e4; $custom-light: #9ef5ec; $custom-dark: #000000;
JSON
{
"hex": "#66f0e4",
"rgb": {
"r": 102,
"g": 240,
"b": 228
},
"hsl": {
"h": 174.783,
"s": 82.143,
"l": 67.059
},
"oklch": {
"l": 0.87619,
"c": 0.12108,
"h": 187.3
},
"luminance": 0.70746
}Semantic roles & 50–950 ramp
primary
#66F0E4
secondary
#C53542
accent
#071ADF
background
#FCFFFE
surface
#F6FEFD
border
#D0D6D5
text
#101716
muted
#808584