Midjourney AI Image Generator: Beginner Guide

The Midjourney AI image generator is easiest to learn through a small, repeatable workflow: describe one visual idea, generate a few directions, correct the largest issue, and then prepare the image for its destination. Midjourney’s official Prompt Basics documentation says that short, simple prompts often work well, while specific details help when the subject, mood, or composition needs tighter control. The documentation was checked on 2026-09-20.

This beginner guide explains the first session from brief to final frame. It also shows how to write a prompt that can be revised instead of starting over every time. The exact interface and available model options can change, so use Midjourney’s current documentation for the latest commands and parameters.

What to put in your first prompt

A useful first prompt names six things:

the subject and its action;
the medium or visual language;
the environment;
the light and color;
the mood;
the composition or crop.

For example:

a small independent bookstore on a rainy evening, editorial street photograph,
warm window light against a blue-gray street, inviting and quiet mood, pedestrians
with umbrellas, eye-level three-quarter view, clear storefront sign with no extra text

The first phrase tells the model what must be present. The rest tells it how to stage and light the scene. If you do not care about a detail yet, leave it out. A shorter prompt makes it easier to understand why the next version changed.

Avoid filling the prompt with generic quality words. “Cinematic” can be useful when it describes a visual direction, but “beautiful, stunning, perfect, ultra quality” does not explain what should appear. Replace vague praise with visible facts such as hard noon shadows, three people, low camera angle, or two-color palette.

A first-session workflow

1. Write a one-sentence brief

Start with the purpose of the image: hero banner, product card, portrait, editorial illustration, or concept frame. Then describe the subject and the viewer’s point of view. The destination matters because a social portrait and a website banner need different crops.

2. Generate a small set of directions

Create several variations from the same brief. Look first at the subject, silhouette, and composition. Do not judge tiny texture details before deciding whether the image communicates the idea. Select the direction with the clearest layout, even if the colors still need work.

3. Correct one issue

Change one group of words: move the light, simplify the background, adjust the crop, or replace a material. If you rewrite every phrase, you lose the comparison. Keep a copy of the selected prompt so useful changes can be reused.

4. Prepare the delivery frame

Choose the aspect ratio that matches the destination and inspect the image at its display size. Check faces, hands, signs, and edges around objects. A larger canvas does not correct a weak composition, so settle the framing before requesting a larger output.

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Prompt examples for common jobs

Portrait:

editorial portrait of a bicycle mechanic in a compact workshop, denim apron, hands
resting on a workbench, soft side window light, muted teal and rust palette, medium
close-up, calm direct expression, uncluttered background

Product image:

matte black travel mug on a pale stone pedestal, minimal studio product photograph,
soft side light, subtle contact shadow, warm gray background, generous negative space
on the left for a headline, three-quarter view

Hero banner:

coastal train moving along a cliff at sunrise, wide editorial landscape photograph,
quiet ocean below, warm light breaking through thin cloud, restrained blue and gold
palette, strong leading line toward the horizon, wide horizontal composition

Illustration:

cutaway illustration of a rooftop greenhouse above a dense city block, clear rooms
and plant beds, hand-painted editorial style, limited green and coral palette, soft
afternoon shadows, landscape composition with space for labels

These are prompt templates rather than promised outputs. Replace the subject, palette, and crop with the requirements of your project.

Images, styles, and edit references

Midjourney’s official documentation describes image prompts and reference features. An image prompt can help establish a starting composition or subject direction. A style reference can guide the visual language while allowing the text prompt to define a different scene. Edit model references can help when an existing image needs a targeted change. State the role of each reference clearly: “use this image for the color palette,” “keep the product shape,” or “match the character’s clothing.”

Reference images are most useful when the text prompt explains what should remain fixed and what may change. If the result copies too much of the reference, narrow the instruction to the part that matters. If the output drifts, describe the key visual relationship again instead of adding unrelated adjectives.

Aspect ratio and parameters

Parameters appear at the end of a Midjourney prompt. Aspect ratio is a practical first choice because it connects the generation to the publishing surface:

minimal reading room with a tall window, warm wood, soft morning light,
editorial interior photograph, vertical composition --ar 4:5

Other parameters can affect model selection, stylization, or exclusions. Their names and supported values vary by model and product version. Check the current official parameter reference before copying an old version flag or numeric setting into a new prompt.

Troubleshooting common results

If the subject is missing, move it to the beginning and remove secondary details. If the image feels crowded, ask for a simpler background or name the empty area you need. If the mood is wrong, change the light and palette before adding more style words. If generated lettering is important, provide the exact text and inspect every character at final size; use a separate design pass when accuracy matters.

When a variation is close, preserve the successful parts in the next request. “Keep the camera angle and subject; change the background to a pale studio wall” gives a clear edit target. A controlled loop produces more learnable results than replacing the entire prompt after every generation.

A compact checklist

Before you send a prompt, confirm that the subject, medium, setting, lighting, color, mood, and composition are clear. Check that the aspect ratio matches the destination and that each reference has a defined role. After generating, compare the image with the brief at the size where people will see it. Save the final prompt beside the selected image so the next revision has a reliable starting point.