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Tuesday, January 11, 2011

Photoshop tips #001 using overlay mode

Photoshop painting tutorial overlay mode for digital painting. Overlay mode is probably one the few most useful tools in Photoshop for digital painters and artists. It is also one of the easiest one that can easily be very difficult to understand. In this post, I am just going to cover on just using gray scale or black and white range to paint to avoid further confusion. I will try to cover painting in color in the next post. Here are what you need to know.

1) What is "Overlay" blending mode? Here is from Official Photoshop: "Multiplies or screens the colors, depending on the base color. Patterns or colors overlay the existing pixels while preserving the highlights and shadows of the base color. The base color is not replaced but is mixed with the blend color to reflect the lightness or darkness of the original color." Try to read multiple times, then you might just get it.

2) What and when do I use overlay most? The meaning that official Adobe Photoshop gave above might confuse the hell out of most people. So I am going to just narrow it down for just digital painting purpose. There are two major ways I use overlay for. First, I use it to find value ranges in the drafting or sketching state, after drawing. And at this point, I only paint it in gray-scale (black, white). Second, I use it mostly to establish the color scheme of my painting.

3) What does overlay mode do when painting in gray-scale. If you use white to 60% brightness, it will make your painting lighter. It will be almost just like when you are using screen blend mode. When you use black to 40% brightness, it will darken your image. Again, just like when you are using multiply. This method works on both gray-scale background or any value. Also any color base background. One thing you should be aware of is that if you are using gray-scale at the 50% range to paint, it will barely change your value at all. (include +5% and -5% range) See image below for visual reference.

Photoshop tutorial using overlay mode
*Above image was painted over with default round using 80% opacity

4) Overlay blending mode can be found on Layers window when you make a new layer. And you can also find it the brush mode in the little scroll down box right below the main menu.

5) As a painter, do not always rely on "Overlay".  Below is a valuable quote from master painter, Craig Mullins,  "/random thought/-if you guys are doing speedies for improvement as painters, lay off the color dodge and overlay. Or, paint it like that if that is the way you want it, like Rembrandt. You might say you have seen a lot of that in my work, and yes, a while ago I did do a lot of it. Not for a while. I even used a lensflare or 2 in 94. Not since it was widely abused. I think the leaf brush is going the same way. If it is easy and effective, it will be abused and become commonplace. But that is for learning I think For getting a real job done quickly and well, anything goes--feel free to disagree! /end random thought/ "

continue to part 2 Photoshop tip 002 using overlay mode in color

Anyway, here are some daily sketch from my Zombie comics panel (yes, I need to catch up really bad.  I know I am easily distracted by other things.) with step by step process.

digital painting tutorial comics

Here is a final image
coloring comics tutorial

And one more extra panels ;-)
zombie attack comics

zombie comics online

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RSA-LEGEND-9 said...

Really helpful, thanks :)

"Art" said...

Thanks for posting this, I appreciate it. Its good information here. Looking forward to your color post. I started speed painting a few weeks ago and coloring is challenging to me. Keep up the great tutorials.

idrawgirls said...

@art & RSA thank you guys, hope they are helpful. Never did get around to do post like this, hope to do more. Part 2 is up

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