The single most powerful one-screen fix in Photoshop Elements
Most photos that look dull, flat, or slightly washed-out are not badly exposed — they are just missing contrast at the edges of their tonal range. The darkest parts are not truly dark. The brightest parts are not truly bright. Everything sits in a narrow middle band of grey, and the result looks lifeless even though the subject and composition are perfectly fine.
Levels fixes this in about thirty seconds. You will find it in Expert mode under Enhance → Adjust Lighting → Levels, or press Ctrl+L on Windows. It is one of the most important tools in Photoshop Elements, and once you understand how it works you will use it on almost every photo.
Reading the histogram
When the Levels dialog opens you will see a histogram — a mountain-shaped graph of your photo's tonal values. The left edge represents pure black (0), the right edge represents pure white (255), and the height of the graph at any point shows how many pixels have that brightness.
A flat, washed-out photo has a histogram that floats in the middle — it does not reach the left edge or the right edge. There is a gap at both ends. Those gaps are the problem. The sliders below the histogram let you close them.
The three input sliders
Below the histogram are three small triangles — the input sliders:
- Black point slider (left, dark triangle) — any pixel at or to the left of this slider gets mapped to pure black. Dragging it right darkens the shadows and adds depth.
- White point slider (right, white triangle) — any pixel at or to the right of this slider gets mapped to pure white. Dragging it left brightens the highlights and lifts the image.
- Midtone slider (centre, grey triangle) — adjusts the overall brightness of the middle tones without touching the shadows or highlights. Drag left to brighten; drag right to darken.
The standard starting move: drag the black point slider to where the histogram actually begins on the left. Drag the white point slider to where the histogram actually ends on the right. This stretches the tonal range to fill the full spectrum and almost always produces an immediate, visible improvement. Then nudge the midtone slider to taste.
The Auto button
In the top-right corner of the Levels dialog is an Auto button. Click it and Photoshop Elements sets the black and white point sliders automatically based on the image content. It clips a small percentage of the darkest and brightest pixels and spreads the rest across the full range.
Auto is a good first step. For many photos — particularly family snapshots taken in flat indoor light — it does the job immediately. If the result looks slightly off in colour (a common side effect when there is a colour cast in the photo), you can undo Auto with Ctrl+Z and set the sliders manually.
Fixing colour at the same time: per-channel adjustment
The channel dropdown at the top of the Levels dialog defaults to RGB, which adjusts all three colour channels together. But you can switch it to Red, Green, or Blue individually.
This is useful when a photo has a colour cast — a photo taken indoors under warm tungsten light might look too orange, or a shaded outdoor shot might look too blue. Switch to the Red channel and adjust its black and white points separately; do the same for Green and Blue. Small adjustments to individual channels can remove a colour cast without needing a separate colour correction step.
If you are not sure which channel to adjust, use the Auto button first and inspect the result. Photoshop Elements' Auto function works per-channel, which is why it sometimes shifts the colour — it is correcting each channel independently.
Output levels: when to use them
Below the histogram, a second gradient bar has its own two sliders — the output sliders. These work in reverse: rather than setting what becomes pure black and pure white, they set the darkest and brightest values the image can contain.
Dragging the left output slider right means no pixel will be darker than that value, which lifts the shadows and gives a faded, matte look. Dragging the right output slider left means no pixel will be brighter than that value, which caps the highlights.
For most corrections you will leave the output sliders alone. They are useful for creative effects — a lifted black point is the basis of the "matte" look popular in portrait photography — but for a simple fix, the input sliders do the work.
Applying Levels non-destructively
The Levels command applied via Enhance → Adjust Lighting → Levels (or Ctrl+L) changes the actual pixels on the layer. For a safer, fully reversible version, use an Adjustment Layer instead:
- 1In the Layers panel, click the Create new fill or adjustment layer button (the half-black-half-white circle at the top of the panel).
- 2Choose Levels from the menu.
- 3The same Levels dialog opens, but the correction lives on its own layer above your photo. Your original pixels are never touched.
- 4To change the correction later, double-click the adjustment layer thumbnail and the Levels dialog reopens with your previous settings intact.
This is the recommended approach when you are working on a layered file or want to keep the option to revise the correction later.
A before-and-after check
While the Levels dialog is open, tick and untick the Preview checkbox in the top-right corner to compare before and after. This is the fastest way to judge whether your correction is an improvement or whether you have pushed the sliders too far — over-correcting Levels produces harsh, bleached highlights and blocked-up shadows with no detail.
The goal is not maximum contrast. It is the point where the photo looks natural and the tones feel balanced — which is usually when the histogram just reaches both edges without a large spike at either end.