مثال للألوان في bloc

        BlocBuilder<CounterCubit, CounterState>(
              builder: (context, state) {
                if (state is DecrementCounter) {
                  return Text(
                    "${state.counter}",
                    style: TextStyle(color: Colors.green),
                  );
                } else {
                  return Text(
                    "${state.counter}",
                    style: TextStyle(color: Colors.red),
                  );
                }
              },
            ),

        BlocBuilder<CounterCubit, CounterState>(
              builder: (context, state) {
                if (state is DecrementCounter) {
                  return Text(
                    "${state.counter}",
                    style: TextStyle(color: Colors.green),
                  );
                } else {
                  return Text(
                    "${state.counter}",
                    style: TextStyle(color: Colors.red),
                  );
                }
              },
            ),