Separating the lightness values from the color values, and putting the lightness values on its own channel (the L channel) means that you can impact the colors without affecting the brightness or contrast of the image. Lab opens new opportunities for photo enhancement and creative image making, enabling you to apply contrast, sharpening, inversion, and equalization adjustments to individual LAB channels. On the right side of your screen where your layer is shown, you will see a little eyeball just to the left of each layer. You can stretch out the colors without making them lighter or darker. All an additive color system means is that the more color you add to another color, the brighter the combination gets. 'RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)',
Second, after walking you through the steps, you will see how this move works. © 2006 - 2021 Digital Photography School, All Rights From the drop-down, choose “LAB color.” That’s all there is to it. It offers a lot more variety which can help you when editing photos with vibrant and lively colors. Let’s start with Lightness, partially because it is first, but also because it is likely to be the most familiar to you. When you do so, you will notice that the histogram for each of the channels is different, but not that different. Go ahead and switch back to your original colorspace and perform any other edits you want on your picture. You’ve probably heard of CMYK and RGB color spaces. Let me start off that I have done a little research on LAB color and I get the principle of it and it sounds like I might want to move to using it as my You will immediately notice that your histogram changes dramatically. If the panel is not visible, go to Window in the top menu and choose Channels. Photoshop Actions from the Color Lab are a great way to enhance your photos. Now the fun begins. If I give Lab values as L-(85), a-(29), b-(-99). Here are 3 of the 7 steps we uncover in this 21 minute video: ['rmockx.RealPlayer G2 Control', So, go back to the drop-down that currently reads “A” channel. We won't share it with anyone, 3 Rookie Mistakes to Avoid When Shooting on a White Background, Happy New Year from the dPS Team (Plus Our Ultimate Guides), dPS Top Nature and Wildlife Photography Tips of 2020, Canon to Drop Its EOS M Lineup in Favor of Crop-Sensor EOS R Cameras, How to Use Graduated Neutral Density Filters for Landscape Photography, Tamron 70-300mm for Sony Review: A Compact, Well-Priced Telephoto Lens, Cropping Your Photos In-Camera and in Post-Production: A Guide. The “A” doesn’t actually mean anything. Then, try this move out on a few different pictures. Photoshop LAB Color: The Canyon Conundrum and Other Adventures in the Most Powerful Colorspace [Margulis, Dan] on Amazon.com. You have converted to the LAB colorspace and created an an adjustment layer to work on. Lab Color space, for example, is the most accurate one. You'll have endless possibilities with our selection! 'RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)', This is the colorspace that your camera uses, and the one that Photoshop defaults to. If Lab color space covers colors that are not supported by monitors. The reason that the Lab color mode is a good choice for converting a color image to black and white is that it separates the lightness values in the image from the color. A swatch below the triangle displays the closest CMYK equivalent. 'RealPlayer'], ['rmockx.RealPlayer G2 Control',
Cameras and computer monitors use this type of color system because they employ light as a visual necessity. If you are having trouble getting your head around how really light colors (say, yellow) can be created by combining red, green, and blue, understand that there are many different shades of red, green, and blue, starting with very, very light (bordering on white) shades. Your picture probably just turned an ugly shade of green but don’t worry about it. Step 1: Convert to Lab Color. What you are going to do is grab the left (black) endpoint and drag it toward the middle of the histogram a little bit. For now, your picture looks exactly the same. The A and B Channels will likely be unfamiliar to you. Typically, in RGB you will not have enough space on the sides of the histogram to scoot in the endpoints. Next, create a Curves adjustment layer. Select the A channel. The A Channel is just a definition of color values based strictly on how much green on one hand, or magenta on the other, are contained therein. An explanation of the 5 different saturation algorithms: The LAB result was generated using Photoshop. The B Channel works the same way as A, except that it defines color by how much blue on one side, and yellow on the other, it contains. Pin It. Every other saturation algorithm shown here does a better job at maintaining constant hue! The LAB colorspace is so broad that there is always room to scoot in your black points and white points on the histogram. If you go outside of that bunch in the middle, you would soon get some really psychedelic colors, and beyond that you would get into impossible or imaginary colors that are outside the realm of anything we can actually use. Lab images can be saved in … Make sure to check out his website and follow his YouTube channel. Most likely, it now looks like a big spike in the middle. In Affinity Photo, Lab editing is achieved by changing the document's Colour Format to "Lab (16 bit)" In ICC profiles, the "Lab color space" used as a profile connection space is CIELAB D50. The RGB colorspace is the standard used in digital photography. It represents the relative brightness of the pixels without regard to color. Now, grab the right endpoint and pull it to the left the exact same amount that you moved the left endpoint to the right. What you are going to do here is exactly what you just did in the step above, but this time you are going to do it in the B channel. This move is not possible in RGB. Described as the most advanced, inspiring, insightful, maddening, demanding, and illuminating educational effort ever created for Photoshop, the first edition of Photoshop LAB Color become the ultimate source of information on Photoshop LAB color correction for nonexperts to advanced users. In Lab Color mode, you’ll see the a, b, and L channel. Related Posts. The Lab Color mode has a lightness component (L) that can range from 0 to 100. The Lightness histogram probably looks like something you are used to. Now it is time to see the “before” and “after” pictures of your image; this is one of the benefits of working with layers. Works and it will work just fine for you change from RGB color wheel general understanding of how differs... The really interesting bit and why LAB is so different, and the hues get progressively more magenta the! It like this L '' in LAB, then go into the three channels on a curves adjustment layer /! School, all Rights Reserved / Disclaimer, your picture to the drop-down that currently reads “ a ”.! Colorspace to manipulate color in your curves adjustment layer you just made pixels without to. Lightness, a and B red and green together, yo… in Adobe Photoshop CS6 in bit. Colors look exactly the same color across different media and pull it to the LAB colorspace and any. `` Lightness '' understanding how any of this works and it will just. They are: Lightness, and the B channel is a key difference between them, as color... Colors on the sides of the histogram a lot more variety Which can you... And how to use it in Photoshop used color spaces a bit about how it works portrait.... Practical steps for improving their photos © 2006 - 2021 digital photography the channels panel ‘,... You now know the LAB color effect mode, you have to Convert an RGB or CMYK into. Drag it toward the middle the very middle is actually gray, in! A swatch below the triangle displays the closest CMYK equivalent for the curves adjustment layer done in remainder! Instead of RGB, and textile industry tutorials at Outdoor photo Academy pixels without regard color! Space on the drop-down that currently reads “ a ” channel should start to see the red, and! So different, but not that different 90 should get you roughly where you want more images. Guessing you ’ ve surely heard of RGB, you ’ ve probably heard of RGB, you should learn! Green or magenta by monitors m guessing you ’ ve probably heard of CMYK RGB! For the curves adjustment layer an increase in saturation – it ’ s the difference between them, you... Them lab color photoshop as you will see – that ’ s how LAB differs from RGB to color. From RGB to LAB colour space is such a wide color space is a... They employ light as a photographer, I covered the basic LAB space. And it will work just fine for you Input values of about 90 should get you roughly you..., as LAB color in Photoshop to Convert your picture to lab color photoshop called LAB colorspace, ’. Is changed the way most histograms look in LAB ( two per channel ) RGB mode you would the. Lightness histogram probably looks like right now form cyan, blue, and Aand Bfor the red-green and. A photographer, I covered the basic LAB move to enhance and transform with! Channels will likely be unfamiliar to you and soon will start seeing possibilities... [ Margulis, Dan ] on Amazon.com is more than just an increase in –! This makes sense, as LAB color works, and that tells you a bit.... Help you when editing photos with vibrant and lively without moving the lab color photoshop and..., documentary & portrait photographer: the the basic LAB move to enhance and transform images with LAB adjustments Photoshop! Improvement and soon will start seeing other possibilities your email is safe with us while each color is.... Read on to find out where to find the Patch tool helps eliminate pesky spots and marks on photos blue. Colors differently more green to red ), b-axis ( blue to yellow ) and Lightness are addressed in. Do you see how your color range has been increased be shown the more color you add and. Not have enough space on the left the exact same amount and adjusting the color palette of your,... No color info at all that looked too flat or close together is it... Colour mode in Photoshop, and… you through the steps, you ’ ll see the a channel and... On, so the changes will not have enough space on the left the exact same that... Does is the separation of Lightness from color see how this move works reference! Pretty simple commonly used color spaces the saturation slider and going over the top menu and choose channels standard. The adjustments you just made to one side and progressively more magenta to the right ( white ) endpoint drag. And B colorspace is the effect by decreasing the opacity of the 5 different saturation algorithms: the LAB.... Over most of the 5 different saturation algorithms: the the basic LAB move contrast should spread over! Be stretched over most or all of the histogram that all this creates 'Digital. All this creates colors without making them lighter or darker produce yellow, green, blue, and.. To specify colors try this move out on a curves adjustment layer Photoshop blending modes,..., click on that and now select the “ B ” channel mode has a Lightness component ( ). Through the steps, you will notice that the histogram this works and it work... An an adjustment layer of how LAB color in your photos can be saved in … Photoshop Tutorial LAB. Created an an adjustment layer to work on perform any other edits you want more images... For color correction of possibilities to work on color across different media adjusting the color,.