WinStudio
Each form and valid form component can have its own background color settings. These settings can come from background color definition variables or you can set them directly in the form or component property sheet in Design Mode.
NOTE: Be aware that whatever color definition you set in the property sheets applies only to the specified form or component. To reuse color definitions for a consistent look-and-feel, you should define and use background color definition variables in the Edit Color dialog box.
To set the background color of a form or component to a single, solid color with no transparency:
Alternatively, you can type the RGB values (for example, 192, 64, 0) directly into this field.
Notice that the Background Color property field displays the RGB value for the selected color.
About Setting Form and Component Background Colors
Setting the Background Color to a Single Color with Transparency
Setting the Background Color to a Linear Gradient