His artistic approach combined the precision of Dutch portraiture with a softer, more fluid touch. Moreelse became famous for his pastoral scenes. In these works, he depicted his subjects as shepherds or shepherdesses. This arcadian fashion was a departure from the rigid, formal portraits common in the early seventeenth century. His depictions of children are particularly notable. He captured their features with a directness that avoided the stiff conventions of the era.

Collectors today appreciate the balance and clarity found in his work. His paintings do not rely on heavy contrast or dark backgrounds. Instead, they offer a clear view of the subject with careful attention to the textures of fabric and skin. The pastoral works provide a sense of quietude for modern rooms. His self-portraits show a confident artist who shaped the visual culture of his city. These prints bring a piece of the Dutch Golden Age into a contemporary setting.