The only thing I changed, is grab the black color from Tomorrow Night and put it here.
I personally didn't like the bluey background, so I changed it.
Just here, for quick access.

black: #1d1f21
red: #e06c75
green: #98c379
yellow: #e5c07b
blue: #61afef
purple: #c678dd
cyan: #56b6c2
white: #dcdfe4

lblack: #35383b
lred: #e9969d
lgreen: #b3d39c
lyellow: #edd4a6
lblue: #90c7f4
lpurple: #d7a1e8
lcyan: #7cc6d0
lwhite: #f9fafb

cur: #313640
non text: #373c45
selection: #474e5d
comment: #5c6370
fg alt: #919baa

Notes:
The lighter values are the result of taking the original color and adding 10 lightness.