Neon is the 10th element in the periodic table. The scale for this element has semi-tones between about F# and B. It is also the first element to have a yellow in its spectrum.

Neon

Angstrom	Nanometer (rounded)	Color	Hertz	Note	Hertz
7245.17	725	Dark red	376.33	F#4	369.99
7173.94	717	Red	380.07
7032.41	703	Red	387.72
6929.47	693	Red	393.48	G4	391.99
6598.95	660	Red	413.19
6506.53	651	Red	419.06	G#4	415.31
6402.25	640	Red	425.88
6266.5	627	Red orange	435.11
6217.28	622	Red orange	438.55	A4	440
6163.59	616	Orange	442.37
6074.34	607	Orange	448.87
6029.99	603	Orange	452.17
5852.49	585	Yellow	465.88	A#4	466.16
5400.56	540	Lime green	504.87	B4	493.88

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Here is a scale with all the tones:

Here is the Neon scale from the tone generator:

And here is a little improvisation with the tones. By using every other tone it produces a half-tone scale. Using every tone is a quarter tone scale: