wasn't sure how to phrase this so I thought I'd post an example of the kind of effect I'm looking for.
I understand that this could simply be made with the gradient tool but not sure how to get the 'spread'
any help would be massively appreciated.
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1I think those are just several gradient layers, so possible duplicate of graphicdesign.stackexchange.com/questions/128391/… ?– Sergey KritskiySep 18, 2019 at 9:47
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Possible duplicate of Gradient depth effect - How can we achieve this gradient?– LucianoSep 18, 2019 at 10:23
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2 Answers
It looks like it might just be a regular linear gradient that has been masked using a radial gradient.
You can create custom gradient using the gradient editor.
For example:
Then over a black layer, I filled a new layer with the Rainbow gradient I made. Then I used a black and white gradient to create a layer mask consisting of a radial gradient, which I stretched into an oval.
For example:
answered Sep 18, 2019 at 10:27
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one minor suggestion: sometimes gradients suffer from banding. An easy way to avoid the banding problem is to make a document set to 16-bits-per-channel RGB; make the gradient; then convert the document mode to 8 bits per channel. You get some dithering noise but there will be no banding.– YorikSep 18, 2019 at 20:10
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Just in case the problematic colored area is the smaller one which contains everything that a rainbow has you can try this:
Have a black background layer. Then you make the colored shape to a new layer. In Photoshop you can draw a path, convert it to selection and and fill the selection with a gradient:
(sorry for irregular looking path, you can get easily better result in Illustrator where working with paths is much more comfortable - copy the result and paste it to Photoshop)
Then apply Gaussian blur:
If the edges seem too thin, undo and try smaller blur radius.
You can also duplicate the layer once or more times and merge the duplicates. It can be a good idea to squeeze the duplicates vertically to avoid the shape becoming too high. It's tried here:
If you merge the gradient shape with black BG before blurring it's possible to restore the gradient fidelity to some degree with curves:
