AI Prompt Engineering · Lesson

Anatomy of an Image Generation Prompt

Subject, style, medium, lighting, color palette, and composition elements.

Image Prompt as a Recipe

An image generation prompt is a recipe for a visual. Like cooking, the order and balance of ingredients matters. Missing elements produce generic results; wrong elements produce surprising failures. Mastering the anatomy of a prompt gives you predictable creative control.

The Six Core Components

Every strong image prompt contains six components: Subject (what), Style (how it looks), Medium (art form), Lighting (illumination), Color Palette (tone), and Composition (framing). Omitting any component leaves the model to guess — usually with generic defaults.

# Anatomy of an image prompt
prompt_components = {
    'subject':    'A lone lighthouse on a rocky coastline',
    'style':      'dramatic, moody, cinematic',
    'medium':     'oil painting',
    'lighting':   'stormy overcast sky, waves crashing, dramatic side-lighting',
    'color_palette': 'desaturated blues and grays with warm amber light from the lighthouse',
    'composition': 'wide establishing shot, rule of thirds, lighthouse at left third'
}

# Assemble into a prompt string
full_prompt = (
    '{subject}, {style}, {medium}, {lighting}, '
    '{color_palette}, {composition}'
).format(**prompt_components)

print(full_prompt)
# A lone lighthouse on a rocky coastline, dramatic, moody, cinematic,
# oil painting, stormy overcast sky, waves crashing, dramatic side-lighting,
# desaturated blues and grays with warm amber light from the lighthouse,
# wide establishing shot, rule of thirds, lighthouse at left third

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