It depends on the style!! Many stiles have a clear contrast between "active" and "in-active", but some don't have. E.g. some of the styles used during the ear

It depends on the style!! Many stiles have a clear contrast between "active" and "in-active", but some don't have. E.g. some of the styles used during the early testing for the default non-light/non-dark theme had close to non differentiable, and it seems some people are still hit by this.