In a RGB color space, hex #66BCC5 (known as Moonstone Blue color) is composed of 40% red, 74% green and 77% blue. Whereas in a CMYK color space, it is composed of 48% cyan, 5% magenta, 0% yellow and 23% black. Scroll down to get more color shades, tone and matching colors with this color.
| Color Name* | Moonstone Blue |
| Hex | #66BCC5 |
| RGB | 102, 188, 197 |
| CMYK* | 48, 5, 0, 23 |
| HSL* | 186, 45%, 59% |
| Pantone* | 7709 C (#63B1BC) |
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