Version 1.8.2 of package Subatomic-Theme has just been released in NonGNU ELPA. You can now find it in M-x list-packages RET.
Subatomic-Theme describes itself as: =============================== Low contrast bluish color theme =============================== More at https://elpa.nongnu.org/nongnu/subatomic-theme.html ## Summary: A low contrast bluish color theme. A high contrast mode can be toggled in the ## Recent NEWS: [Not provided 🙁]