![]() The higher the bit depth, the more an image can be adjusted without losing quality. Meanwhile, a 16 bit image can display 281 trillion colors. An 8 bit image can display 16.7 million colors between the Red, Green, and Blue color channels. The difference between 8 bit, 16 bit, and 32 bit is the number of color values that can be displayed. The Difference Between 8 Bit, 16 Bit, and 32 Bit In Photoshop In most cases, even if you edit an image set to 16-bit, you will reduce it to 8-bit before exporting the image. You would use the 32-bit setting for more specialized editing. However, a 16-bit image is much larger and takes up more space on your computer. If your project is 16-bit, you won’t lose as many of the original color levels. When using an 8-bit image, you can’t retrieve this information once it’s lost. As you edit an image in Photoshop, you lose the original levels of the photo. The human eye can’t recognize even close to trillions of colors, so you may wonder why you would ever use anything above an 8-bit image.Ī higher bit depth is much better for heavy editing as it protects the colors from banding. Now you can imagine how many colors you’ll find in a 32-bit document. On the other hand, a 16-bit RGB image contains 65,536 shades, which means the photo can have 281 trillion colors. JPEG images are capped at 8-bit, so there is no way to save a 16 or 32-bit image as a JPEG. Put another way, the bit depth is the tonal variations of an image.Īn 8-bit RGB photo has 256 shades, times that by three channels (256 x 256 x 256) this means the image can contain up to 16.7 million colors. The Bit Depth of an image determines how many shades or levels of color there are in each channel. So, if you aim to set and edit photos at 16-bit, you should shoot RAW images. A JPEG image is set at 8-bits while a RAW image contains between 12 and 14-bits. You can shoot on JPEG or RAW when shooting images on modern digital cameras. No matter which color mode you set your picture to, each mode has the option of various Bit Depths, which are 8, 16, or 32-bits per channel in Photoshop. To understand when you should use each setting, you need to understand the concept a bit more.Įvery digital image has a specific color mode, whether RGB, which contains three color channels, or CMYK, which holds four color channels. However, a simple explanation of bit depth is the range of colors and luminance that can be displayed in a photo. What Is Bit Depth?īit depth is a complicated topic that involves color and math. However, it’s not always practical to use a higher bit depth, so before you change this setting, let me show you when you should use the various bit depths. With a higher bit depth, there is a broader range of colors to display. The number of colors present in the photo offers you various editing opportunities. Simply put, the Bit Depth of an image refers to the number of colors in the picture. Now you may ask, what’s the difference between these three settings? In Photoshop, you can set your photo or project to 8-bit, 16-bit, or 32-bit. ![]()
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