Idea of Opacity Icon
The image is a square that is made up of a lot of little squares. Some of the squares are darkened and other are not. Along the outer edge of the bigger square, some of the squares are opened on one side.
This Opacity icon is made in flat color style
. This format was developed by Icons8 designer team and became immensely popular for use in web and mobile applications. Feel free to download this icon in PNG format for free, or unlock other formats for $5. Unlike other icon packs that have merely hundreds of icons, this monster icon pack contains 6,200 icons, all in the same style and quality.