#66F4EF#66F4EF
#66F4EF is a very light, vivid teal. Relative luminance 0.738; OKLCH L 88.9% C 0.122 H 192.0°. Best body text is #000000 at 15.75:1 contrast (WCAG AA passes).
Color values
| HEX | #66F4EF |
|---|---|
| RGB | rgb(102, 244, 239) |
| HSL | hsl(178, 87%, 68%) |
| HSV | hsv(178, 58%, 96%) |
| CMYK | cmyk(58.2%, 0%, 2%, 4.3%) |
| CIE-LAB | lab(88.81, -39.16, -9.11) |
| CIE-LCH | lch(88.81, 40.21, 193.09°) |
| OKLab | oklab(88.89% -0.1196 -0.0253) |
| OKLCH | oklch(88.89% 0.122 192) |
| XYZ | xyz(53.4034, 73.7526, 93.0659) |
| Luminance | 0.7376 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Bright Cyan
#41FDFE
ΔE00 3.13
Bright Turquoise
#0FFEF9
ΔE00 3.57
Aqua
#00FFFF
ΔE00 3.90
Bright Light Blue
#26F7FD
ΔE00 4.05
Bright Aqua
#0BF9EA
ΔE00 4.64
Turquoise
#40E0D0
ΔE00 6.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66F4EF #F4666B
analogous
#66F4A8 #66F4EF #66B2F4
triadic
#66F4EF #EF66F4 #F4EF66
tetradic
#66F4EF #A866F4 #F4666B #B2F466
square
#66F4EF #A866F4 #F4666B #B2F466
split-complementary
#66F4EF #F466B2 #F4A866
monochromatic
#0FD1CA #2DF0E9 #66F4EF #9FF8F5 #D8FCFB
Accessibility & contrast
On white
1.33
#66F4EF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
15.75
#66F4EF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66F4EF
15.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66F4EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66F4EF | 1.00 | 1.33 | 15.75 | 15.75 |
| #FFFFFF | 1.33 | 1.00 | 21.00 | 21.00 |
| #000000 | 15.75 | 21.00 | 1.00 | 1.00 |
| ##000000 | 15.75 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#E7E9EF
Deuteranopia (green-blind)
#D0D8F0
Tritanopia (blue-blind)
#00FAF2
Achromatopsia (no color)
#DFDFDF
Design tokens & code
CSS
--color: #66f4ef; /* rgb */ color: rgb(102, 244, 239); /* oklch */ color: oklch(88.9% 0.122 192.0);
Tailwind
colors: {
custom: {
50: '#9ff8f4',
500: '#66f4ef',
950: '#000000',
},
}SCSS
$custom: #66f4ef; $custom-light: #9ff8f4; $custom-dark: #000000;
JSON
{
"hex": "#66f4ef",
"rgb": {
"r": 102,
"g": 244,
"b": 239
},
"hsl": {
"h": 177.887,
"s": 86.585,
"l": 67.843
},
"oklch": {
"l": 0.8889,
"c": 0.12222,
"h": 192
},
"luminance": 0.73758
}Semantic roles & 50–950 ramp
primary
#66F4EF
secondary
#CC3237
accent
#020AE3
background
#FDFFFF
surface
#F7FFFE
border
#D0D7D6
text
#101717
muted
#818585