Omg how'd you make the text that color :O
coding! I set the text editor to HTML instead of rich text (the default setting), that allows you access to more colors and formats than the built-in editor.
the basic code I use without extra formatting other than colored text is <span style='color: #(hex code)'>text</span>. similarly, you can format your posts with code like <b></b> for bold, <i></i> for italics, <u></u> for underlined; you can easily find a comprehensive list of what you can do with your code if you just google search for 'tumblr code HTML cheat sheet' or something like that.
fully editing your entire post in HTML gets tedious though, I would recommend typing out everything you want in rich text first and then formatting it with HTML afterwards. imagine this is how people do their pretty gradient text posts, they'd have to at least copy and paste the hex codes one by one for each of the letters in their text. that's very time-consuming and the code can get eye-straining, so you'd be doing yourself a favor typing out your text in rich text and checking for typos before moving on to the HTML formatting.
also for some reason nowadays the apostrophe on iPad doesn't seem to work for the code anymore so I either do it on laptop if I need new colors for the text or just open up a previous post I made and copy the text to paste on the new post and edit it to whatever I need.
hope this helps! :)
