Which menu is used to change the color of worksheet tab? You can go to the Format menu on the Excel ribbon, select Tab Color, and choose the desired color from there.

To change Gridline color in Excel, use Excel Options, apply a custom-colored border to the cells, or apply a custom line color. Full details here.

How to Make Colors Change With Validation in Excel. Excel's conditional formatting tool applies formatting depending on cells' contents. Validation rules can change cells font, style, size or border.

Click the "Color" drop-down menu to view a list of colors. Click one of those colors, and Excel applies it to the legend instantly.