The phrase "color dots" refers to small, round marks in different hues or shades. It can also be used metaphorically to describe diversity or variety in a group or situation. Full definition
Candidates appearing in the general election will be listed below with colored dots corresponding to any party they will represent on the ballot. (ballotpedia.org)
He also painted a related series with secondary colored dots on white fields, and a smaller group with gray dots on white fields. (ronnielandfield.com)
When you have a notification for an app that you haven't yet looked at, the app's icon will display a small colored dot in the upper - right corner. (androidcentral.com)