Coming to you from Nemanja Sekulic , this great video explains the difference between the opacity and fill sliders in Photoshop. If you've messed around with the two of them before, it might seem that they do exactly the same thing, and as such, you've stuck with using the opacity slider to adjust the transparency of layers. In a lot of situations, this is the case, and it won't matter which slider you use to adjust the layer's transparency. However, if you're using layer styles, then the difference in functionalities becomes immediately apparent, as fill affects only pixel, shapes, and text on a layer, but does not touch things like drop shadows.
This means that any layer styles and blending mode for that layer are also affected. When we set the Fill value,only painted pixels and vector items are affected,layer styles and blending mode remain same. For example,.
If you use the Opacity option to adjust transparency both the shape and effects are affected. The Opacity slider affects the entire layer, including any effects, such as drop shadow, inner glow, etc. If you haven't added any effects styles to your layer, like a stroke, drop shadow, bevel and emboss or outer glow, you'll get the same results when lowering either the Opacity or Fill values.
If, on the other hand, you do have one or more layer styles applied, Opacity and Fill behave very differently Try adding some text to an image, add some layer styles to the text, and then change opacity and fill values. You will notice that opacity changes everything, and fill changes all except the layer effects you added.
It is important to note that Opacity and Fill behave differently when used in conjunction with "Special 8" blend modes. To quote the source:. These blend modes behave differently when Fill Opacity is adjusted, compared to when standard Opacity is adjusted. This is an important concept to understand, because it can extend the capabilities of these blend modes. Sign up to join this community.
A higher value for the Opacity results in the layer being more visible- in other words, less of the content on the layers beneath it shows through. The Fill option pretty much does the same thing when an edit to the value is applied to a typical layer that is, one without layer styles applied to it. Do you notice that the same effect has occurred? This will always happen with layers that have no applied styles. Therefore, you can actually use the Opacity and Fill options interchangeably as long as your layer has no styles applied to it.
So, you have now seen a situation in which there are no visible differences between the Opacity and Fill options. As we mentioned earlier in the article, the differences become evident when the edits to the transparency are applied to a layer with layer styles applied to it. Layer styles let you add effects to a layer, such as a shadow, a bevel and emboss effect, or a gradient overlay. The difference, therefore, between the options becomes apparent when we look closely at how the transparencies of these layer styles, or effects, are changed upon editing the Opacity or Fill value.
To demonstrate what happens, we will apply a simple edit to the style of our text layer by adding a shadow and a stroke. This can be done by double-clicking on the relevant layer in the Layers Window to open the layer effects tab, which should resemble the one shown below:. In this newly opened window, we will then add some layer styles and edit the properties of these until we are happy. Let's look at an example.
Here's an image I have open in Photoshop. I've added some simple text to it - the word "dream". The image itself, without the text, is available from the Fotolia image library:. If we look in my Layers panel , we see the photo of the girl sitting on the Background layer, and the word "dream" is on a Type layer directly above it the arch in the word was created by adding the type on a path.
I also have a copy of my Type layer above the original, but I've turned that layer off for the moment:. The Opacity option is located in the top right corner of the Layers panel, and the Fill option is directly below it. Shortcodes, Actions and Filters Plugin: Error in shortcode [ ads-basics-middle ]. So far, we've seen no difference at all between the Opacity and Fill options, but that was on a layer without any layer styles applied to it.
Let's see what happens if we try a different layer. I'm going to turn off my Type layer by clicking on its layer visibility icon :.
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