A doubt whether Soft UI meets the accessibility criteria

I have made two prototype versions of a button type element one is a mixture of material design and soft UI and other is pure soft UI can you help me in deciding which one is better in terms of accessibility and user experience

So as I can work upon my upcoming web components based UI library ?

https://codepen.io/BhavyaSingh2003/pen/zYxpwVP

Here is the link for the same the upper button is a mixture of material design and the lower one is pure soft UI.