Fills the transparent background of the image with the specified color.

parameters

• background color: a color value, default is none. Specifies the background filling color. Blur type color is not allowed in this context. Default value is none.

JSON object properties

• background or color: the background color.

  { "background": { "background":"red" } }

simplified syntax parameters

• prefix bg: the background color.

  bg_red,c_background

array type parameters

One value for background color, like in this example:

string or number type parameters

The value of the string is the background color

Example 1 - Fill background with a color

Open

Coffee: W150×H186

Open

Coffee: W150×H186

Simplified syntax: bg_dodgerblue,c_background

Example 2 - Fill background with a pattern

Simplified syntax: bg_$pattern:checkerboard,c_background

Example 3 - Fill background with a gradient

Simplified syntax: bg_$gradient:-aquamarine,c_background

Example 4 - Fill background with a sized gradient

Simplified syntax: bg_$gradient:dodgerblue-aquamarine-80p,c_background