When comparing Tone Syntax vs Tomorrow Theme, the Slant community recommends Tomorrow Theme for most people. In the question“What are the best color themes for text editors?” Tomorrow Theme is ranked 1st while Tone Syntax is ranked 42nd. The most important reason people chose Tomorrow Theme is:
Different colors within the same color scheme to quickly distinguish the layout (px, %, ..) and other declaration blocks from the colors (background-color; color); that eases the visual processing, thus increases reading speed, while reading CSS.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Limited colour palette
Very few colours - I make it even fewer by configuring two of the three colours to be the same.
Pro Customizable - you can set the colours to your liking.
Pro Eases visual processing
Different colors within the same color scheme to quickly distinguish the layout (px, %, ..) and other declaration blocks from the colors (background-color; color); that eases the visual processing, thus increases reading speed, while reading CSS.
Pro Notepad++
Although not mentioned in the list of supported editors, on GitHub you can find a folder Notepad++ with xml files.
Sadly it does not seem to work with newer Notepad++ versions.
Pro Light & dark themes
Dark theme does a good job of contrasting kvps.
Pro There are versions for a lot of applications or it's easy to make your own
There are ready-made packages for Vim, IntelliJ, Emacs, iTerm, etc.
If your app isn't supported the website explains clearly what colors are used, so it should be easy to wrap up your own.
Pro Comes in 5 different variants
Comes in 5 different variations: Tomorrow, Tomorrow Night, Tomorrow Eighties, Tomorrow Blue and Tomorrow Night Bright.
Cons
Con Default background colour is not dark enough (subjective)
Con Only available for Atom.io
Only supported by the Atom editor
Con Bad theme
First of all, in the Tomorrow Theme official repository, the IntelliJ Idea theme is just a color scheme. Second of all, it looks very bad on IntelliJ.
Con Looks bad
At least on Neovim.