[header] How to identify milk glass [title] Look for a creamy-textured glass. [step] Unlike typical glass, milk glass isn't completely translucent and is only slightly opaque. The color should look smooth and not painted on. 
Milk glass typically comes as a creamy white, light blue, pink, or black. [substeps] Milk glass that is any color other than white was most likely produced in the 20th or 21st century.