Take setting the text color of the title as an example. Select the title, and then click Format-Font in the top toolbar. Select other colors from the colors of the font; Click the Customize tab to view RGB settings. Details are as follows:

1. First select the content to be set, such as setting the text color of the title, select the title, and then click the Format-Font option in the top toolbar.

2. Then, click the color drop-down option button in the pop-up font window to select other colors;

3. Then click the custom tab to see the setting of color mode RGB in the window, and click OK after setting;

4. Finally, click OK in the font window to complete the RGB setting.