Material Design is a standard and guideline to create a design for mobile applications. If you will develop a mobile application you should use it to define the design of your application. Follow it to ensure the usability and a good experience for the users of your application.
To find the correct combination of colours and icons
https://www.materialpalette.com/
Documentation
https://material.io/guidelines/material-design/introduction.html
Colour Tool
https://material.io/color/#!/?view.left=0&view.right=0
To find and download icons
Material Components to use
www.Dev4Devs.com 
Short but nice stuff here, I’ll take a look to see if I manage to solve a problem that I’m facing in a Spike that I wrote using Meteor and Material Design, I was using this documentation do develop my stuff http://materializecss.com/ but after building the Node package it brakes, I changed the version to a previous one materialize@=0.97.7 and it worked for that problem but I have lots of remaining ones.
Thanks for sharing your references
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