Simple Neon Glow
Start with a white background of an RGB image. Using
the text marquee tool, put some nice fat text on the canvas. Fill
the text with 100% black.
Now select Filter -> Blur and choose Gaussian
blur. Blur the text with a setting of 3.
Select Image -> Adjust and select Curves (Ctrl+M).
Select the freehand pencil tool and draw a shape roughly like the
one below. Click on the smooth button a few times to smooth out the
curve.
Select Image -> Adjust and choose Hue/Saturation
(Ctrl+U). Click the colourise button and set the values as below:
Variations to this effect can be achieved with a
large blur in step 2 and adjusting the curve in step 3. Try making
more humps and dips to get different results.
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