NeoPixels and color sensor face outside of umbrella, FLORA main board faces interior of umbrella. Other connections as follows:

FLORA GND-> NeoPixels GND (all)
FLORA VBATT-> NeoPixels 5V (all)
FLORA D6-> NeoPixels DIN (data in)
FLORA GND -> color sensor GND
FLORA SCL -> color sensor SCL
FLORA SDA -> color sensor SDA
FLORA 3V -> color sensor 3V
FLORA D10 -> pushbutton to GND