When to Use a Colon: Grammar Rules With Examples | Grammarly
www.grammarly.com › blog › colon-2Jan 14, 2021 · A colon can be used to separate two independent clauses when a) the second clause is directly related to the first clause (not just vaguely related) and b) when the emphasis is on the second clause. While you can also use a semicolon or a period between two independent-yet-related clauses, the colon is a little softer than the period, but a little harder than the semicolon.