Change the color of a picture - Microsoft Support
You can adjust the color intensity (saturation) and color tone (temperature) of a picture or recolor it. You can apply multiple color effects to your picture. Click the picture that you want to change. Select the Picture Format tab, and in the Adjust group, select Color.
Adjust the color of a picture in Office - Microsoft Support
Select the picture whose color you want to change. Click the Format tab, and then click Color. If the Format tab is not visible, make sure you selected a picture. Choose from one of the many Color Saturation, Color Tone, or Recolor options in the Color gallery. Click Picture Color Options at the bottom of the Color gallery.
Use Eyedropper to match colors on your slide - Microsoft Support
Use the new Eyedropper tool in PowerPoint to choose a color that matches a screen pixel and apply that color to a shape or other object.
Edit pictures - Microsoft Support
You can apply artistic effects to a picture or a picture fill to make the picture look more like a sketch, drawing, or painting. You can also apply color effects and picture corrections.
Format Picture (Picture Color pane) - Microsoft Support
When color temperatures are not measured correctly by a camera, a color cast (too much of one color dominating the picture) can show on the picture, making the picture look too blue or too orange. You can adjust this by increasing or decreasing the color temperature to enhance the details of the picture and make the picture look better.
Format pictures on slides - Microsoft Support
On the Picture Format tab, select Color. Hover over the options to preview them and select the one you want. Select the picture. On the Picture Format tab, select Picture Effects. Select the one you want: Shadow, Reflection, Glow, Soft Edges, Bevel, or 3-D Rotation. Select the picture.
Adjust the color of a picture in Office - Microsoft Support
Click Picture Color Options at the bottom of the Color gallery. In the Format Picture pane manually adjust Color Saturation, Color Tone, and Recolor for the picture you selected.
Video: Add and change picture effects - Microsoft Support
Make your pictures look their best. Correct blurry and dark pictures, change the look with an artistic effects, and add borders or shadows to make pictures stand out. Adjust the brightness, contrast, or sharpness. Select the picture. Select Picture Tools > Format and select Corrections.
Change the brightness, contrast, or sharpness of a picture
Do you want to adjust your screen brightness? Windows 10 or 11: Select Start, choose Settings, and then select System > Display. Under Brightness and color, move the Change brightness slider to adjust the brightness. For more details, see: Change screen brightness. Windows 8: Press Windows key + C. Select Settings, then select Change PC Settings.
Remove the background of a picture in Office - Microsoft Support
For an image in an Office file, you can remove the background from it to accent the subject or to remove distracting details. As described below, you start with the automatic background removal. Then, if necessary, you can draw lines to indicate areas to keep and remove.
Editing photos without Picture Manager - Microsoft Support
Change the brightness, contrast, or sharpness of a picture. Change the color of a picture. Crop a picture. Reduce the file size of a picture. If you still need more specialized features like eliminating red eye or straightening, the Microsoft Photos app is your best bet.