8.   Color

1.  Point the cursor on "Color" icon. By pressing on red sign you will forbid drawing by color for the current texture. Pressing on a green sphere icon you enable editing in diffuse channel, but with no extra texture overlaid in the channel. The question-marked folder means that no extra diffuse channel texture used for overlay while drawing has been selected. If the texture is selected, the question-marked folder is changed with a texture-imbued square. Press on the folder to replace your texture:

2.  The "Transparency" slider is the transparency applied to pen color while drawing. You can reduce or increase the transparency using hot keys -"О" and "Р" accordingly. You can see that depending on transparency the segment color changes on pen cursor. The segment acquires blue color and its size depends on transparency.

3.  Point the cursor on the drop-list to see the following:

Here you can determine the rule of color selection for drawing. You can draw with a main color, or you can use a mix of the main and background colors:

-Use current color (use main (current) color to draw)

-Use randomly one of two colors (use one of two colors (current or second one) randomly to draw)

-Use random color between two (use a random mix of two main colors)

4.  The image shown below used both “color” and “depth”: