How did Frans Hals portray Haarlem’s middle-class citizens?

Frans Hals portrayed the middle-class citizens of Haarlem with a revolutionary sense of spontaneity, vitality, and psychological depth that moved away from the austere, stiff traditions of his time.12

His approach to these subjects included:

• Spontaneous Realism: Hals utilized a loose, bravura brushstroke technique—often compared to Impressionism—to capture fleeting expressions and movement, giving his portraits a striking sense of immediacy.312
• Group Dynamics: In his group portraits, such as those of the civic guard, he moved beyond static arrangements. He created harmonious compositions where figures engage in dialogue, share meals, or interact with the viewer through a glance or gesture, emphasizing the cohesion of the group while maintaining individual character.1
• Jovial Spirit: Many of his early works celebrate the joie de vivre of his subjects, depicting them with enthusiasm and humor. Even when painting respectable citizens, he imbued the scenes with a sense of "well-nourished contentment" and majesty, elevating the everyday lives of the Dutch middle class to a level of dignity previously reserved for royalty.1
• Evolution of Style: While his early works were characterized by a jovial, energetic spirit, his portraits grew more somber and introspective as he aged, demonstrating an unparalleled genius for revealing the inner character of his sitters.31