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In this final exercise of the chapter, I'm going to show you what's going on with that Hue Shift option, how you can actually manage the process, because it can't be a little bit chaotic. We're working inside of a catch-up document called Now for Hue Shift.ai. That's found inside the 14_Brush_Factors folder. Both Brush Type and Circus Arts, both of these brushes are expressed as grayscale artwork as you can see here inside the Brushes palette so there is Circus Arts, there is Brush Type, they're both grays, similar shades of gray as well.
And yet, when they are applied to exactly the same color paths, so both of these paths are stroked with a common color, which is 100% magenta and 75% yellow. Both of them are set to Hue Shift but somehow they end up becoming completely different colors as a result and Hue Shift is supposedly finding the average hue inside the document and applying that to the brush stroke, but it must be doing something a little more complicated than that because we end up with these very different results. Well, Hue Shift and its defense is really designed to accommodate colored brushes.
So when you want to take a colored brush and go ahead and shift its hues to a different color scheme according to the stroke color. So let's go ahead and see how that works. I'm going to take these top two lines here that are both stroked with brush type and I'm going to release their brushes by going to this icon down here at the bottom of the Brushes palette and clicking on it, the one that says Remove Brush Stroke and that just returns the strokes to their original appearance and the reason I'm doing this is I just want a lot of clearance for the brush that I'm about to apply. In fact, I'm going to grab this stoke right there and get rid of it.
All right, so we just have this line here to work with. Now, note here inside the Brushes palette that we have a brush called Art. It's an Art Brush that's called Art Brush. It's the word art of course. Go ahead and click on it to apply that text to the line. Its way too shallow so let's go ahead and make the type taller by changing the line Weight here inside the Stroke palette to 3 points, looks great! All right, now by default, I have already set this Art Brush to Hue Shift and if you were to click on Options of Selected Object, you would see that it is indeed set to Hue Shift, which goes ahead and shifts the hues of the letters.
As you can see, the hue is an ingredient in color by the way, Hue + Saturation = Color, Saturation being the intensity of the color. For all intents and purposes what we're concerned, it really is the color of the characters. So what's happening here is it's going ahead and shifting the purple of the A to blue and the orange of the R to red and this sort of teal of the T to more of an olive green. Now if you wanted to work with a different colorization option, you can try something else. Now Tints and Shades is going to color, the text uniformly and so is tints.
So you're going to lose all those differently colored letters going on and if you don't want to recolor the letters, you would just say none. But we are working with Hue and Shift. So how do we control exactly how the colors are shifting around, how the colors map as they say. Well, cancel out of here. You can change the Hue Shift key color by double-clicking on the Art Brush itself. Then notice that the key color down here at the bottom of the dialog box is set to orange. Now what does that mean? That means that orange, the orange character, which is R, is going to shift to match the color of the stroke.
So orange maps to red, because the stroke is set in red, and the other characters rotate to some other hue accordingly. So let's say that from orange to red is about a 300 rotation on the big color wheel, imagine a color wheel divided into 3600, why then if we're rotating purple 300, we get blue, and if we're rotating this shade of green 300, we get this shade of green. That's basically what's going on. How do you select a different key color? Well, you grab this little eyedropper here. Don't click outside of the dialog box.
You click inside of the dialog box. So you would click on purple, for example, and that will now map purple to red and all the colors will shift accordingly. Well, why aren't we seeing that happen on screen, after all the Preview checkbox is turned on? Because this is not a previewable option. Direction and the Colorization down here are not previewable. You have to go ahead and click OK in order to update the strokes and then you have to click Apply to see how the update occurs and now you can see the purple has become red and the other colors have shifted accordingly.
If you don't like that, if you want to shift T instead, double-click on your brush once again, grab your eyedropper and click on the T. You don't click on the color swatch by the way. That doesn't do you any good. You click on the T in order to switch it to green, then you click OK and then you click Apply and then you see your transformation happen on screen. That's what going on with Hue Shift. For better or for worse, you might find the hues for it, you may never, but now at least you know. All right! That's it for vector painting here inside of Illustrator. In the next chapter, we're going to check out the wide world of transparency.
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