Welcome to Material Design by Google.
This perfect FAB (Floating Action Button) follows the new Google Design Guidelines
Info:
— #00E575 (Background)
— #9D9D9D (Icon)
— z-depth = 1
— Top Shadow: 0dp 1dp 1.5dp rgba(0,0,0,0.12)
— Bottom Shadow: 0dp 1dp 1dp rgba(0,0,0,0.24)
All color are picked directly from the original Material Design Swatches. Download Link
See attachment