For tags that take a colour 'parameter', there's also an alpha portion (RRGGBBAA), however I'm pretty sure all it does is darken the text rather than actually making it transparent.
Custom TML Parser, v2It now supports (or, in the case of default features, improves on) ordered and unordered lists, nested lists, bold, italics, headings, colors, format nesting, and more.You can easily add or change functionality! ExampleYou can also use it for things completely unrelated to fancy text: ExampleParse text according to multiple definitions! Example