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Triangle with Rounded Corners

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Triangle with Rounded Corners

= caution → 25B3 △ white up-pointing triangle

Information

Triangle with Rounded Corners is a geometric symbol concept that circulated in the mid‑2010s emoji discussion era as a softer alternative to the sharp‑corner triangle characters already in Unicode. It was referenced in community wish lists and design threads but never advanced to an officially approved emoji. The idea aimed to capture a “gentle caution” or UI‑friendly shape often seen in app badges and signage, distinct from the rigid black/white triangle code points. As with many shape variants, it was considered too close to existing symbols and was not prioritized for encoding.
Supporters imagined uses ranging from a soft warning or “yield” cue to a delta/change marker that felt less aggressive than a standard triangle. In internet slang, it was suggested for “gentle warning” or “mild take” posts, fitting the rounded‑corners design trend popular in mobile interfaces. Culturally, rounded triangles echo real‑world traffic and safety icons that frequently avoid sharp points, which helped the concept resonate with designers and accessibility‑minded users. However, overlap with ⚠️ Warning, ▶️ Play, and existing triangle glyphs made distinct everyday usage hard to demonstrate.
Concept mockups typically showed an equilateral triangle with noticeably rounded vertices, often in yellow with a dark outline for caution contexts, or as a simple filled black/outlined white glyph for neutral UI signaling. An Apple‑style rendering might have featured a flat or lightly shaded yellow fill, soft edges, and a subtle drop shadow, though no official artwork was ever produced. Unicode guidance at the time generally discouraged encoding purely stylistic variants of existing shapes, which likely contributed to the idea’s rejection. The symbol still appears in custom icon sets, Slack/Discord custom emoji, and design libraries, but it remains unencoded as a standalone emoji.

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Emoji History The emoji code/ image log of changes.

1. This emoji was one of the "suggested emojis" the Unicode group unveiled in June 2014 [article], however, it has been, and still is, up to the companies who support emoji in their operating systems to provide not only images but also an algorithm to replace the emoji code into the emoji image.

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