To access the theme colors button, navigate to the "Design" tab in the toolbar. From there, look for the "Colors" group, where you'll find the "Theme Colors" button. Clicking on it will display a palette of available theme colors that you can apply to your document or presentation.
insert tab
(home tab| editing group)
(Home tab | Number group)
(Home tab | Styles group)
(View tab | Zoom group)
It is on the Home Tab, in the Styles group. On older versions of Excel it is on the Format menu.
Cultural differences.
use dark colors for background and then use a light colors for the front of it.
tb
If the colors of Newton's disc were to move in a straight path instead of a circular path, you would not observe the color mixing effect as the colors blend due to the rapid rotation. The colors would not combine and separate in the same way, and you would likely just see distinct, individual colors moving past each other.
(Home Tab-Clipboard)
home tab cells group