Atom theme using the ever popular light solarized colors. This particular fork has been modified to have a lighter contrast.
This theme can be installed via the command line.
apm install solarized-light-syntax-modified
Then it can be activated by going to the Themes section in the Settings view
cmd-,) and selecting it from the Syntax Themes dropdown menu.
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.