use single color Resolves ZSTAC-16853
use single color
Resolves ZSTAC-16853

zstackorg/zstack,AlanJager/zstack,zstackorg/zstack,MatheMatrix/zstack,AlanJager/zstack,zstackio/zstack,zstackio/zstack,AlanJager/zstack,zstackio/zstack,MatheMatrix/zstack,MatheMatrix/zstack