Simple addon.
Permission is fully customizable but for default its:
bw.arenaborder.reload – /arenaborderreload command
This features works only on 1.16+ version!
One color:
Variable: <SOLID:[hex without #]>
Example: “<SOLID:fdfdfd>hex color”
Gradient color:
Start variable: <GRADIENT:[hex without #]>
End variable: </GRADIENT:[hex without #]>
Example: “<GRADIENT:000000>gradient</GRADIENT:ffffff>”
Rainbow color:
Start variable: <RAINBOW[saturation value]>
End variable: </RAINBOW>
Smaller value: darker
Higher value: brighter
Example: “<RAINBOW1>rainbow</RAINBOW>”