The minimum is actually about 2 MB, but those don't exist anymore so you can pretty much look for any graphics card.
If the image is 800 pixels by 600 pixels at 240 pixels per inch, then the image size is (800 / 240) by (600 / 240) or 31/3 by 21/2 inches.
A GIF image can hold up to 256 different colors per image.
16,772,216 Colors
65,536 colors
Saturation refers to the intensity of colors in an image, while vibrance adjusts the intensity of muted colors without affecting skin tones.
If you've saved an image as a JPEG, tough luck. It's gone for good, unless you have all the colors of the original image(I'm assuming that you have a computer-generated image that you save as a JPEG) saved somewhere safe, like in your custom colors section, and you are willing to take the time to replace all the colors.
To select all colors in an image using Photoshop, you can use the Magic Wand tool or the Color Range tool. The Magic Wand tool allows you to select similar colors by clicking on a specific color in the image. The Color Range tool lets you select specific colors or tones by adjusting the range and fuzziness settings. These tools can help you easily select and manipulate all colors in your image.
A greyscale image is a graphic image which is rendered completely in black and white and shades of grey, no other colors.
To use the color replacement tool in Photoshop to replace colors in an image, first select the tool from the toolbar. Then, choose the desired replacement color and adjust the tool settings as needed. Next, click and drag over the areas in the image where you want to replace the color. Finally, fine-tune the results by adjusting the tool's settings and opacity as necessary.
what will a browser do if it cannot exactly match the original colors selected for an image
To invert colors on Lightroom, you can use the "Negative" preset in the Develop module. This preset will invert the colors of your image.
Open image. At top of screen, click IMAGE>MODE>RGB.