To change the background color on an Instagram Story while sharing a post, tap the draw tool, choose a color, and hold your finger anywhere on the background. It will fill the screen. Then, tap “Done” to save.
To change the background color on an Instagram story while sharing a post, tap the drawing tool (pen icon), choose a color, then tap and hold anywhere on the screen. The background will fill with that color.
The background color of your post to Instagram Story is automatically set, although you can modify it. All you need to do is to tap the draw tool, a color of the palette (long-press to choose any shade), and keep your finger on the screen to fill the background. The brush or eraser tool can also be used as a style of creativity.