Here's the full error - thanks!? Answered

Arduino: 1.6.13 (Mac OS X), Board: "Arduino/Genuino Uno"

/Users/johnshoffner/Downloads/InfinityMirror/InfinityMirror.ino:14:31: fatal error: Adafruit_NeoPixel.h: No such file or directory

#include <Adafruit_NeoPixel.h>

^

compilation terminated.

exit status 1

Error compiling for board Arduino/Genuino Uno.

This report would have more information with

"Show verbose output during compilation"

option enabled in File -> Preferences.