There aren’t enough legible, intentionally designed light syntax themes for text editors.
invisibles(if enabled in Settings)
General support for other languages is intended but not guaranteed.
This theme can be installed with the Atom package manager in the app or on the command line.
Search in Settings (Preferences) > Install for this package.
$ apm install newbound-light-syntax
After it is installed, it can be activated by going to the Settings (Preferences) > Themes section and selecting it from the Syntax Theme menu.
colors.yml file with Base16 Builder to generate a theme for a different text editor. This theme was created by hand, so results may vary from this implementation.
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.