This Atom theme is identical to the original One Dark theme, except that the colors are slightly changed.
Font used in screenshots 'Source Code Pro'
From the command line:
apm install purple-papers-syntax
If the command line isn't your thing:
purple-papers-syntaxand click Install
Inspiration taken from EffectivePapers.
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.