diff --git a/tutorial_particles_2d.md b/tutorial_particles_2d.md
index 18ec0cb..c9c3ce1 100644
--- a/tutorial_particles_2d.md
+++ b/tutorial_particles_2d.md
@@ -95,3 +95,14 @@ Determines the intial angle of the particle (in degress). This parameter is most
 Determines the intial and final scales of the particle. 
 
 <p align="center"><img src="images/paranim12.gif"></p>
+
+#### Color Phases
+
+Particles can use up to 4 color phases. Each color phase can include transparency.
+Phases must provide an offset value from 0 to 1, and alays in ascending order. For example, a color will begin at offset 0 and end in offset 1, but 4 colors might use diferent offsets, such as 0, 0.2, 0.8 and 1.0 for the different phases:
+
+<p align="center"><img src="images/particlecolorphases.png"></p>
+
+Will result in:
+
+<p align="center"><img src="images/paranim13.gif"></p>
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