Ambiance & Radiance Flat is a Modern, Beautiful and Vivid Re-imagination of the Ambiance & Radiance Color GTK 2/3 Themes. It features a Modern, Clean And "Flat" look in your choice of 13 vibrant colors. Despite the name "Ambiance" the theme has been re-designed from top to bottom. And is a theme of it's own. A theme For Ubuntu, Mint Or any Distro and nearly any GTK Desktop.