Option 1:
1. Select the object whose color you want to change.
2. In the Properties panel, click the Color drop-down list and select the desired color.
Option 2:
1. Type CHPROP at the command line.
2. In the Properties dialog box, under the Color category, select the desired color from the Color drop-down list.
3. Click OK.
For more information, refer to the AutoCAD documentation or online tutorials on color management.
