When comparing One Dark vs Dracula, the Slant community recommends Dracula for most people. In the question“What are the best VIM color-schemes?” Dracula is ranked 3rd while One Dark is ranked 6th. The most important reason people chose Dracula is:
Sublime, Atom, Vim, iTerm, Terminal.app, Zsh, Slack, TextMate, Emacs, Visual Studio Code/Visual Studio, Xcode, IntelliJ, and more.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Colors are calm and easy to distinguish
Its wide hue range with good saturation/value use make a good enough contrast to skim the code fastly and not too vibrant to kill your eyes.
Pro Available for vim
Pro Available on a wide range of applications
KDE Plasma, VsCode etc...
Pro Available for Intellij IDEA
Pro Available for Atom clones and Sublime
Possibly for others too
This theme is a default one for Atom text editor.
Pro Default theme for Doom Emacs
Pro Calm blue background
If used with flux, it turns into warm gray during night.
Pro Available as a base16 theme
Pro Includes GUI themes
Pro Available for many popular editors, terminals, etc.
Sublime, Atom, Vim, iTerm, Terminal.app, Zsh, Slack, TextMate, Emacs, Visual Studio Code/Visual Studio, Xcode, IntelliJ, and more.
Pro Great in lots of languages
Even for Markdown.
Pro Perfect color pitch
Colors are perfectly pitched, easy to focus on scripts and shells.
Pro Well designed
Pro Very good for the eyes
It looks very good, with a little of blue light. It also works very well with MacOS's Night Shift. I would recommend this theme for starters.
Cons
Con Ports to other applications are not always accurate.
Con Kind of fadey
The colors aren't that bright (which may be good for some people).
Con Consistency
Some colors are too vibrant and bright.