move yellow to the back of the list of colors, and darken it a bit because it's difficul to see.
move yellow to the back of the list of colors, and darken it a bit because it's difficul to see.

stephanpoetschner/django-redis-metrics,bradmontgomery/django-redis-metrics,bradmontgomery/django-redis-metrics,stephanpoetschner/django-redis-metrics,stephanpoetschner/django-redis-metrics,bradmontgomery/django-redis-metrics