A good portrait is one that effectively captures the likeness, personality, and character of the subject. The following are some elements that are typically considered to make a good portrait:
1. Likeness: A good portrait should accurately depict the subject's physical features, including their facial features, body shape, and any unique characteristics.
2. Expression: A portrait should convey the subject's emotions, personality and mood, whether it be through the subject's eyes, body language or the background.
3. Composition: A good portrait should be well-composed and balanced, with the subject placed in a visually pleasing way within the frame.
4. Lighting: Lighting is an important aspect of portraiture, it can be used to create mood, depth and define the subject's features.
5. Technique: A good portrait should be skillfully executed, with a high level of technical proficiency in the medium being used.
6. Storytelling: A good portrait should be able to tell a story, either about the subject, the artist or the context in which it was created.
Ultimately, a good portrait is one that resonates with the viewer and evokes an emotional response, whether it be through the subject's expressiveness, the artist's technique, or the story it tells.