Special Effects - The Photoshop: Professional Retouching and Compositing Tips, Tricks, and Techniques - page 254

Figure 4.50
Using the Blood Brushes
First we need to get the color of the blood right. In the real world, blood isn't the color of
tomato ketchup, as we see a lot, but is actually much darker.
1. Click the foreground color in the toolbar to open the Color Picker.
2. In the middle area we have a vertical line made up of different colors. To choose
the initial color, move the pointer up or down ( Figure 4.51 ).