Convert figma to rgbo

What is the difference between .fig and .rgbo?

Description: The fig file type is a vector graphics format used by the Figma design platform. It is used to store graphics, user interface layouts, and other design elements created in the Figma platform. The files are used for collaboration between designers, developers, and other stakeholders.; Format for representing colors in the three primary colors (red, green and blue), each of which has 255 gradations. In contrast to the standard RGB, it allows you to change the transparency of the entire image using the opacity parameter.