![]() ![]() This is starting to get more technical than I’m familiar with, so I’ll let Adobe explain it better: Lab mode, more properly known as L*a*b mode or even CIE L*a*b, is based on human perception of color differences. The main advantage of this color mode is that it can reduce file size, but it also limits your editing abilities and the overall image quality due to the restricted colors. Indexed Color ModeĪs you might partially guess from the name, the Indexed Color mode is used for images that contain a limited set of up to 256 colors that are stored in an index. Imagine a grayscale image, but instead of using gray tones, the image uses a different color instead: that’s a duotone.ĭuotone mode is typically used for printing with specific spot colors which are pre-selected and pre-mixed instead of being created by combining CMYK inks the way printers usually do.ĭuotone mode actually supports monotones, duotones, tritones, and quadtones, but you’ll have to switch your color mode to Grayscale first before you can use any of these options. It discards all color and tone information and simply uses pure black and pure white pixels to create the image. Bitmap Modeīitmap mode is the most basic color mode that Photoshop can handle. ![]() I won’t go into too much detail, because if you need to use these modes, you probably already know how they work, but if you’re really curious you can learn more about each color mode from Adobe. Most are used for printing, but there are a couple of technical modes that are commonly used for color conversions. In addition to the common color modes above, there are several other color modes that are highly specialized and only suited to very specific situations. It’s often necessary to switch your image to Grayscale mode first before switching to one of the more specialized color modes described below because they handle colors very differently than the more standard RGB and CMYK modes. Changing your color mode to Grayscale will discard all the color information from your existing image, so use it carefully! ![]() Grayscale mode does more or less what it says on the tin: images are stored without any color information whatsoever. While I don’t think ‘print is dying’ as everyone used to say, it’s definitely taken a backseat when compared to all the exciting things happening in the digital world. I’m much more comfortable working with colors in RGB mode, but that’s because I don’t do a lot of print-based work. In the RGB model used for on-screen graphics, your device is actually emitting different colors of light in combination to create the colors you see, known as an additive color model.īut when you’re looking at a piece of photo paper, there’s only reflected light from your ambient light source, which requires that you use a subtractive color model like CMYK to accurately represent colors. If you’re converting a photo or graphic for printing, using the CMYK color mode (along with a properly calibrated monitor) will ensure that your printed results look just as good as they do on-screen.Ī different color mode for printed graphics is necessary due to the differences in the way colors are created. CMYK ModeĬMYK mode is the other commonly-used color mode in Photoshop since it is used by commercial printers for all print documents. The three channels are combined to create any color your monitor is capable of displaying (and maybe even a few that it can’t!). RGB stands for Red Green Blue, and each RGB image is made up of three color channels: a Red channel, a Green channel, and a Blue channel.Įach channel is actually a grayscale image, but pure white pixels in the Red channel are treated as pure red, pure green in the Green channel, and pure blue in the Blue channel. Not only is it the default color mode used to create new documents, but RGB mode is also used for all on-screen graphics, whether they’re digital photographs, website graphics, or UI elements for your newest app. This is the most commonly-used color mode in Photoshop by far. I’m not a technical color specialist, but I’m familiar with the most common options that you’ll need to use in your daily editing, so let’s take a closer look at the three most common color modes used in Photoshop.
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