#66FFEE#66FFEE
#66FFEE is a very light, vivid teal. Relative luminance 0.805; OKLCH L 91.4% C 0.132 H 185.0°. Best body text is #000000 at 17.10:1 contrast (WCAG AA passes).
Color values
| HEX | #66FFEE |
|---|---|
| RGB | rgb(102, 255, 238) |
| HSL | hsl(173, 100%, 70%) |
| HSV | hsv(173, 60%, 100%) |
| CMYK | cmyk(60%, 0%, 6.7%, 0%) |
| CIE-LAB | lab(91.91, -44.33, -3.99) |
| CIE-LCH | lch(91.91, 44.51, 185.14°) |
| OKLab | oklab(91.4% -0.1311 -0.0115) |
| OKLCH | oklch(91.4% 0.132 185) |
| XYZ | xyz(56.6651, 80.5119, 93.4264) |
| Luminance | 0.8052 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Bright Aqua
#0BF9EA
ΔE00 3.18
Tiffany Blue
#7BF2DA
ΔE00 4.27
Bright Turquoise
#0FFEF9
ΔE00 4.53
Aqua
#00FFFF
ΔE00 5.83
Bright Cyan
#41FDFE
ΔE00 5.86
Light Aqua
#8CFFDB
ΔE00 6.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66FFEE #FF6677
analogous
#66FFA1 #66FFEE #66C4FF
triadic
#66FFEE #EE66FF #FFEE66
tetradic
#66FFEE #A166FF #FF6677 #C4FF66
square
#66FFEE #A166FF #FF6677 #C4FF66
split-complementary
#66FFEE #FF66C4 #FFA166
monochromatic
#00EBD1 #29FFE7 #66FFEE #A3FFF5 #E0FFFC
Accessibility & contrast
On white
1.23
#66FFEE on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
17.10
#66FFEE on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66FFEE
17.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66FFEE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66FFEE | 1.00 | 1.23 | 17.10 | 17.10 |
| #FFFFFF | 1.23 | 1.00 | 21.00 | 21.00 |
| #000000 | 17.10 | 21.00 | 1.00 | 1.00 |
| ##000000 | 17.10 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#F3F2ED
Deuteranopia (green-blind)
#DCE1F0
Tritanopia (blue-blind)
#00FFFA
Achromatopsia (no color)
#E8E8E8
Design tokens & code
CSS
--color: #66ffee; /* rgb */ color: rgb(102, 255, 238); /* oklch */ color: oklch(91.4% 0.132 185.0);
Tailwind
colors: {
custom: {
50: '#a1fff3',
500: '#66ffee',
950: '#000000',
},
}SCSS
$custom: #66ffee; $custom-light: #a1fff3; $custom-dark: #000000;
JSON
{
"hex": "#66ffee",
"rgb": {
"r": 102,
"g": 255,
"b": 238
},
"hsl": {
"h": 173.333,
"s": 100,
"l": 70
},
"oklch": {
"l": 0.91401,
"c": 0.13161,
"h": 185
},
"luminance": 0.80518
}Semantic roles & 50–950 ramp
primary
#66FFEE
secondary
#DA2F42
accent
#001AE6
background
#FDFFFF
surface
#F7FFFE
border
#D0D7D6
text
#101817
muted
#818685