# Color

The Color tools are used to identify and match objects based on color data, such as examining objects that have the same shape but are composed of different colors or shades of colors. They internally generate a histogram A histogram is a graphical representation of the distribution of pixel intensity values. A histogram refers to an array of pixels - how many and their individual greyscale values - within a region of interest (ROI). projection of the color by calculating the average color present.

Note:

- You must be connected to a color In-Sight vision system or emulator to enable these 2D Vision Tools.

- The MatchColor function Functions are tools that are available in Spreadsheet for processing and analyzing acquisitions or other results. You can add functions to your Spreadsheet job to create tool chains and produce results for specific applications. must reference a TrainMatchColor data structure. Otherwise, the functions will return an error (marked with #ERR in the spreadsheet cell).