TUTORIAL

How to Adjust Color and Transparency

	
	background()
	The background() function sets the color used for the background of the Processing window.
	Reference

	fill()
	Sets the color used to fill shapes.
	Reference 

	nofill()
	Sets the color used to fill shapes.
	Reference

	stroke()
	Sets the color used to draw lines and borders around shapes
	Reference

	noStroke()
	Sets the color used to draw lines and borders around shapes
	Reference