Transparency and opacity

Add InDesign Transparency and Opacity Effects

How to edit artwork using transparency and blending modes in Illustrator

Fighting Back on Algorithmic Opacity, by Maya Murad

Opacity vs. Tint - Understanding the Difference — SUN Printing

56,263 Opacity Images, Stock Photos, 3D objects, & Vectors

Transparency and Opacity in French and Francophone Literature

RGBa vs Opacity: The Difference Explained - Deepu Balan - Scribblings of a cyber geek - Web Design Blog

Transparency and Masks

A Quick Guide to Transparency and Opacity - Realism Today

The Difference Between Transparent and Opaque Watercolors

Making Transparent Control using GDI+ and C# (Updated to NET 3.5)