The from frozen baguette results

The frozen bake took place this morning with some promising mixer results. The oven spring was excellent the crispiness perfect. The color is poor and the crumb ends could be attributed to other causes. Can anyone offer suggestions as to better color? 

The tail of the tape

1. spray with water before load

2. Bake 10 minutes at 550F

3. Bake 10 more minutes at 500F