The document provides an overview of early Renaissance art in Northern Europe during the 15th century. It focuses on Flanders, which was a wealthy region under Burgundian rule. Oil painting became popular among Flemish artists, allowing for richer colors than previous techniques. Notable painters mentioned include the Limbourg Brothers, Robert Campin, Jan van Eyck, Rogier van der Weyden, Hans Memling, and Hugo van der Goes. Their works, such as van Eyck's Ghent Altarpiece and Arnolfini Portrait, were renowned for their luminous colors, intricate details, and naturalistic style.