Pixellu SmartAlbums is able to filter images by Adobe Lightroom and Adobe Bridge star ratings and labels, as described in this video. If you are using Lightroom or Bridge in a language other than English, or if you renamed the names of your color labels, SmartAlbums will not be able to recognize the labels.
If SmartAlbums is not reading color labels, follow these steps:
In Lightroom Library mode, go to Metadata > Color Label Set > Edit... and change the label names to the following:
In Bridge, go to Adobe Bridge > Preferences > Labels and change the label names to the following:
As soon as you have renamed your color labels, please re-import your images into your SmartAlbums project.