There are three different types of resistor color coding.  They vary by providing different information in a different number of color bands.  I’ve looked around for a decent chart that I could share and stumbled upon this freeware.  It’s provided by moyerelectronics.com.  I’ve installed it and played with it and found it to be accurate.   Here’s a screenshot and a download link.

resistorcolorcode24

Create a folder, and extract the contents of the zip file into it.  Double click the setup.exe file and you’re all set.