Press cmd/ctrl + shift + p to open the command palette.
Type install package and press enter.
Then search for SyncedSidebarBg
wait installed
next search for ayu
settings Preferences >
Setting - UserFor light theme:
"theme": "ayu-light.sublime-theme",
"color_scheme": "Packages/ayu/ayu-light.tmTheme",
For mirage theme:
"theme": "ayu-mirage.sublime-theme",
"color_scheme": "Packages/ayu/ayu-mirage.tmTheme",
For dark theme:
"theme": "ayu-dark.sublime-theme",
"color_scheme": "Packages/ayu/ayu-dark.tmTheme"