[Feature]: Change in bgColor of of the beta in the landing page

[RajeevDash007]

When we think about Beta, The one color which comes to our mind is blue / sky blue. so If we change it to Blue from grey, it will look good.

Raising a PR soon

[tedspare]

@RajeevDash007 saw your PR, thanks. Not sure this is an issue; I'll close it.