How to restore faded or discolored photos
Updated 13 October 2026 · UnBlur AI guides · 10 sources
AI results are estimates. AI restoration predicts what a sharper or repaired photo might look like. It can invent or change details, especially faces, text and fine patterns. Always keep your original, and do not use an AI-restored image as evidence or to identify someone.
- Color prints fade as their dyes break down; cyan and yellow often go first, leaving a magenta or red cast. 1
- Light and warm, humid storage speed up fading, so stop the damage before fixing the copy. 2,3
- Levels restore contrast; white balance removes color casts. Both are quick and invent nothing. 4,5
- AI restoration can rebuild faded color and contrast, but it estimates; keep the unedited scan. 6,7
Most faded photos can be improved a lot with two simple tools: levels, to bring back blacks and whites, and white balance, to remove the color cast. Do those first, in a free editor or the Photos app, on a scan of the print. AI restoration is optional and works best on photos that are faded and damaged at the same time.
Why photos fade and change color
A typical color print from the second half of the 20th century is a chromogenic print: its image is made of cyan, magenta and yellow dyes in layers. These dyes are not permanent. Hagley Museum and Library describes a print that turned mostly magenta because its yellow and cyan dyes faded, and notes that keeping color photos in the dark slows fading but does not stop it 1.
Light, heat and humidity all speed this up. The National Archives warns that all light, visible and ultraviolet, can cause fading 2, and that color prints and negatives can deteriorate within decades at room temperature 3. Black-and-white prints fail differently: storage materials that are not photo-safe can cause fading, yellowing and silver mirroring 8.
| What you see | Likely cause | Digital fix to try first |
|---|---|---|
| Whole print pink, red or magenta | Cyan and yellow dyes faded | White balance, then reduce magenta or red |
| Washed out, no true blacks | Overall fading or light damage | Levels: move the black point in |
| Yellow or brown, especially in highlights | Aging paper, staining, poor storage | White balance on a neutral area, levels |
| Uneven fading (one side lighter) | Displayed in a frame near a window | Local adjustments, or AI restoration |
Step 1: Stop further fading
Before editing anything, move the original out of the light. Display a copy instead and keep the original in a box, as the National Archives recommends 2. Store it somewhere cool and dry; see how to store and care for old photos.
Step 2: Scan without automatic corrections
Scan the print in color, even if it looks almost monochrome, and save an untouched master. Archival guidelines keep color and tone restoration off master images 6; some scanner software applies its own color fixes, so turn those off for the master and do your correction on a copy. See how to scan old photos properly.
Step 3: Restore contrast with levels
A levels tool shows a histogram, a graph of how many pixels sit at each brightness. A faded photo has a narrow histogram with empty space at the dark end. Apple's Photos for Mac lets you set the black point, shadows, midtones, highlights and white point, and adjust the red, green and blue channels separately 4.
- Drag the black point in to where the histogram starts.
- Drag the white point in to where it ends.
- Nudge the midtones until faces look natural.
- If the cast remains, repeat on individual color channels: a magenta print often needs the green channel lifted.
Step 4: Remove the color cast
White balance tools shift all colors so that something that should be white or gray becomes neutral 5. Pick a shirt, a wall, paper or pavement that was really neutral. Avoid skin, which should stay warm.
On iPhone, open the photo in Photos, tap Edit, then Adjust, and swipe through the settings, which start with Exposure, Brilliance and Highlights and continue with further light and color controls 9. If you do not like the result, you can revert to the original at any time 10.
Step 5: Fine-tune
- Add saturation only after the cast is gone; boosting a cast makes it worse.
- Work in small steps and compare with the unedited scan.
- Expect limits. Where a dye has faded completely, the color information is gone and has to be painted or predicted.
Using an AI restore tool
AI restoration can rebuild faded color and contrast in one step, and also handle scratches and spots. It does this by predicting what a clean photo probably looked like, so colors and fine details are estimates, and research shows realism and faithfulness pull against each other 7. UnBlur's Restore Old Photo mode ("Fix scratches & fading") is built for this case: pick your scan from the library, wait about 30 to 60 seconds, and compare ORIGINAL and ENHANCED before saving. For a black-and-white print that has yellowed, the separate Colorize mode is a different task: it adds new colors rather than restoring old ones.
For a photo that has also been scratched, torn or wet, see repairing damaged photos.
Common questions
Why did my old photos turn pink or red?
In many color prints the cyan and yellow dyes fade faster, leaving magenta behind. 1
Will storing photos in the dark stop fading?
It slows it but does not stop it. Cool, dry, dark storage helps most. 1,3
Can I fix fading on my phone?
Yes. Scan or photograph the print, then use the light and color adjustments in Photos; you can always revert to the original. 9,10
Sources and further reading
- Hagley Museum and Library. Conservation: The Case of the Mysterious Red Spots - Deterioration of Chromogenic Color Prints. hagley.org
- U.S. National Archives. Displaying Family Papers and Photographs. archives.gov
- U.S. National Archives. Storing Family Papers and Photographs. archives.gov
- Apple Support. Apply levels adjustments to a photo or video on Mac. support.apple.com
- Apple Support. Adjust white balance in Photos on Mac. support.apple.com
- Federal Agencies Digital Guidelines Initiative. Technical Guidelines for Digitizing Cultural Heritage Materials, 3rd edition (2023), section 3.8 Prints and Photographs (PDF). digitizationguidelines.gov
- Blau Y, Michaeli T. The perception-distortion tradeoff. IEEE CVPR. 2018. arxiv.org
- Library of Congress, Preservation. Care, Handling, and Storage of Photographs. loc.gov
- Apple Support. Edit photos and videos on iPhone. support.apple.com
- Apple Support. Undo and revert photo edits on iPhone. support.apple.com