﴿ وَمَنْ خَفَّتْ مَوَٰزِينُهُۥ فَأُو۟لَٰٓئِكَ ٱلَّذِينَ خَسِرُوٓا۟ أَنفُسَهُمْ فِى جَهَنَّمَ خَٰلِدُونَ ﴾

“whereas they whose weight is light in the balance - it is they who will have squandered their own selves, [destined] to abide in hell:”

and those whose scales are light because of evil deeds they are the ones who have lost their souls and so they will be abiding in Hell.