Beryllium is the 4th element in the periodic table. The last two colors and tones were added because they had strong emission lines and are less than 5 hertz from concert A. There is not a color graph for them. When there is only a small difference between tones.

Beryllium

AngstromNanometer (rounded)ColorHertzNoteHertz
5270.81527Green258.65C4261.63
4673.33476Light blue291.72D4293.67
4360.98436Indigo312.61
4360.66436Indigo312.64D#311.13
3131.06313Ultraviolet435.41A4440
3130.42313Ultraviolet435.5

Sine:

Sine:

Sine:

Ultraviolet

Sine:

Here is a scale with all the tones for Beryllium:

And here is a little improvisation with the tones: