Umbernote

App icon: an abstract shape brand mark called Umbernote — pure geometric identity. Centered glyph: a bold ring of 9 arc segments, rendered in #ffffff. polished chrome style, the glyph filled with a metallic mirror-shine gradient, hard diagonal split background, #a855f7 on one half and #d946ef on the other. Details: faint diagonal pinstripe texture on the background. Requirements: square 1:1 canvas at 1024×1024, full-bleed background with no transparency, no text or wordmarks, no baked-in rounded corners or borders (the OS applies its own mask), glyph optically centered and contained within the central 66% safe zone so it survives the iOS squircle and Android circular launcher masks, crisp anti-aliased edges, high detail, professional app-store quality.

App icon: an abstract shape brand mark called Umbernote — pure geometric identity. Centered glyph: a bold ring of 9 arc segments, rendered in #ffffff. polished chrome style, the glyph filled with a metallic mirror-shine gradient, hard diagonal split background, #a855f7 on one half and #d946ef on the other. Details: faint diagonal pinstripe texture on the background. Requirements: square 1:1 canvas at 1024×1024, full-bleed background with no transparency, no text or wordmarks, no baked-in rounded corners or borders (the OS applies its own mask), glyph optically centered and contained within the central 66% safe zone so it survives the iOS squircle and Android circular launcher masks, crisp anti-aliased edges, high detail, professional app-store quality.