How do I find the RGB numbers of an existing colour in a document?

You can get the RGB numbers of an existing colour in a document by following this steps:
1. Open the document
2. Press PrtSc key in your keyboard.
3. Open Paint applicatin
4. Click paste (or press CTR + V) on the Paint application. The image of your document is then pasted in the Paint application.
5. Press Color Picker of the Paint application. The cursor will then change to a dropper or picker.
6. Move and click the picker over to the colour in the document.
7. Click edit colors. A small window of "edit colors" appears.
8. In that small window will be displayed the RGB numbers of the colour.
End.