#66F3C4#66F3C4
#66F3C4 is a very light, vivid teal. Relative luminance 0.709; OKLCH L 87.4% C 0.140 H 168.0°. Best body text is #000000 at 15.18:1 contrast (WCAG AA passes).
Color values
| HEX | #66F3C4 |
|---|---|
| RGB | rgb(102, 243, 196) |
| HSL | hsl(160, 85%, 68%) |
| HSV | hsv(160, 58%, 95%) |
| CMYK | cmyk(58%, 0%, 19.3%, 4.7%) |
| CIE-LAB | lab(87.44, -49.11, 11.34) |
| CIE-LCH | lch(87.44, 50.40, 167.00°) |
| OKLab | oklab(87.42% -0.1371 0.029) |
| OKLCH | oklch(87.42% 0.14 168) |
| XYZ | xyz(47.4890, 70.9068, 63.3976) |
| Luminance | 0.7091 (WCAG relative) |
| Temperature | neutral |
| Family | teal |
Closest named colors
Light Turquoise
#7EF4CC
ΔE00 2.36
Light Aquamarine
#7BFDC7
ΔE00 3.00
Aquamarine
#7FFFD4
ΔE00 3.16
Bright Teal
#01F9C6
ΔE00 3.55
Aqua Marine
#2EE8BB
ΔE00 3.73
Light Greenish Blue
#63F7B4
ΔE00 4.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66F3C4 #F36695
analogous
#66F37D #66F3C4 #66DCF3
triadic
#66F3C4 #C466F3 #F3C466
tetradic
#66F3C4 #7D66F3 #F36695 #DCF366
square
#66F3C4 #7D66F3 #F36695 #DCF366
split-complementary
#66F3C4 #F366DC #F37D66
monochromatic
#10CE8F #2DEFAE #66F3C4 #9FF7DA #D7FCF0
Accessibility & contrast
On white
1.38
#66F3C4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
15.18
#66F3C4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66F3C4
15.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66F3C4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66F3C4 | 1.00 | 1.38 | 15.18 | 15.18 |
| #FFFFFF | 1.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 15.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 15.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#EDE4C2
Deuteranopia (green-blind)
#D9D5C7
Tritanopia (blue-blind)
#00F4E6
Achromatopsia (no color)
#DBDBDB
Design tokens & code
CSS
--color: #66f3c4; /* rgb */ color: rgb(102, 243, 196); /* oklch */ color: oklch(87.4% 0.140 168.0);
Tailwind
colors: {
custom: {
50: '#9df8d5',
500: '#66f3c4',
950: '#000000',
},
}SCSS
$custom: #66f3c4; $custom-light: #9df8d5; $custom-dark: #000000;
JSON
{
"hex": "#66f3c4",
"rgb": {
"r": 102,
"g": 243,
"b": 196
},
"hsl": {
"h": 160,
"s": 85.455,
"l": 67.647
},
"oklch": {
"l": 0.87424,
"c": 0.14017,
"h": 168
},
"luminance": 0.70911
}Semantic roles & 50–950 ramp
primary
#66F3C4
secondary
#CA3365
accent
#044EE2
background
#FCFFFE
surface
#F6FFFB
border
#D0D7D4
text
#0F1714
muted
#808583