On the Properties toolbar, click the Color control.
Either 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 tab, click a color or enter the ACI color number
(1-255) or name in the Color box, and then click OK.
On the True Color tab, select the HSL color model in the Color
Model option and specify a color by entering a color value in the
Color box or by specifying values in the Hue, Saturation, and
Luminance boxes, and then click OK.
On the Color Books tab, select a color book from the Color Book
box, select a color by navigating the color book (using the up and
down arrows) and clicking on a color chip, and then click OK.
Click BYLAYER to draw new objects in the color assigned to the
current layer.
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.