On the Properties toolbar, click the Color control.
Click a color to draw all new objects in that color, or click
Select Color to display the Select Color dialog box and do one of
the following:
On the Index Color tab, click a color or enter the color name
or number in the Color box.
On the Index Color tab, click BYLAYER to draw new objects in
the color assigned to the current layer.
On the Index Color tab, click BYBLOCK to draw new objects in
the current color until they are grouped into a block. When the
block is inserted into the drawing, the objects in the block
acquire the current color setting.