#66CFD9#66CFD9
#66CFD9 is a light, moderate teal. Relative luminance 0.525; OKLCH L 79.6% C 0.098 H 203.7°. Best body text is #000000 at 11.49:1 contrast (WCAG AA passes).
Color values
| HEX | #66CFD9 |
|---|---|
| RGB | rgb(102, 207, 217) |
| HSL | hsl(185, 60%, 63%) |
| HSV | hsv(185, 53%, 85%) |
| CMYK | cmyk(53%, 4.6%, 0%, 14.9%) |
| CIE-LAB | lab(77.55, -27.58, -14.25) |
| CIE-LCH | lch(77.55, 31.05, 207.33°) |
| OKLab | oklab(79.6% -0.0897 -0.0394) |
| OKLCH | oklch(79.6% 0.098 203.7) |
| XYZ | xyz(40.3116, 52.4564, 73.6329) |
| Luminance | 0.5246 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Aqua Blue
#02D8E9
ΔE00 4.54
Darkturquoise
#00CED1
ΔE00 5.73
Mediumturquoise
#48D1CC
ΔE00 6.45
Robin'S Egg
#6DEDFD
ΔE00 7.07
Robin Egg Blue
#8AF1FE
ΔE00 8.11
Neon Blue
#04D9FF
ΔE00 8.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66CFD9 #D97066
analogous
#66D9A9 #66CFD9 #6696D9
triadic
#66CFD9 #D966CF #CFD966
tetradic
#66CFD9 #A966D9 #D97066 #96D966
square
#66CFD9 #A966D9 #D97066 #96D966
split-complementary
#66CFD9 #D96696 #D9A966
monochromatic
#27939D #35C0CD #66CFD9 #97DEE5 #C8EEF1
Accessibility & contrast
On white
1.83
#66CFD9 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
11.49
#66CFD9 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66CFD9
11.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66CFD9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66CFD9 | 1.00 | 1.83 | 11.49 | 11.49 |
| #FFFFFF | 1.83 | 1.00 | 21.00 | 21.00 |
| #000000 | 11.49 | 21.00 | 1.00 | 1.00 |
| ##000000 | 11.49 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#C1C8DA
Deuteranopia (green-blind)
#AFBADA
Tritanopia (blue-blind)
#00D6D2
Achromatopsia (no color)
#C0C0C0
Design tokens & code
CSS
--color: #66cfd9; /* rgb */ color: rgb(102, 207, 217); /* oklch */ color: oklch(79.6% 0.098 203.7);
Tailwind
colors: {
custom: {
50: '#9bdee4',
500: '#66cfd9',
950: '#000000',
},
}SCSS
$custom: #66cfd9; $custom-light: #9bdee4; $custom-dark: #000000;
JSON
{
"hex": "#66cfd9",
"rgb": {
"r": 102,
"g": 207,
"b": 217
},
"hsl": {
"h": 185.217,
"s": 60.209,
"l": 62.549
},
"oklch": {
"l": 0.79596,
"c": 0.09796,
"h": 203.7
},
"luminance": 0.5246
}Semantic roles & 50–950 ramp
primary
#66CFD9
secondary
#A14A42
accent
#2C1EC8
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0F1515
muted
#808484