No - only because bleach removes color from anything. If your dye is in the same solution as the bleach, the bleach'll suck the color right out of it! But, if you dye the shirt a color afterward, the places you've bleached will be extra thirsty and be very receptive to color!Cool idea.
The definition of pacific is  the ocean off of California, or peaceful and tranquil. An example of something Pacific are the Hawaiian Islands in the Pacific Ocean. An example of something pacific is a lullaby.
The West Coast or Pacific Coast is the coastline along which the contiguous Western United States meets the North Pacific Ocean. As a region, this term most often refers to the coastal states of California, Oregon and Washington.