Righteousness is imputed to you once you believe the Gospel. It can only come from Christ. There's nothing you can do to achieve righteousness in the eyes of God beyond believing the Gospel, no matter how good, honest or humble you are.

Romans 4:22-25 22 And therefore it was imputed to him for righteousness.

23 Now it was not written for his sake alone, that it was imputed to him;

24 But for us also, to whom it shall be imputed, if we believe on him that raised up Jesus our Lord from the dead;