NL, I thought your comment was rather strong.

However, I have to disagree. To the better bowlers-minority
of all bowlers, color doesn't matter. To most of the people
out there, IT DOES.

I wonder how many people would agree with this:
If the Thing and the Thing Returns were sold at the same price
as the Vendetta solid and Vendetta Particle, ignoring their
actual function on the lane and what the bowler needs; although
there are people out there who prefer plain color balls, I guess
most people would choose, what in general, is/are considered to
be the 'prettier' looking ones.

Just like watching pretty girls and cute looking boys on TV or
magazines...........

So, COLOR DOES MATTER!!! NOT A WASTE OF BANDWIDTH!!!

I say make two: one blue, the other blue green glow in the dark for the girls.
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"I don't mind if you don't like my manners. I don't like them myself. They're pretty bad. I grieve over them on long winter evenings."

For bowling balls, color is more than just an image.  Color is added to a ball by using pigments.  Some color pigments will change the reaction of the ball.

However, on a purely aesthetic level, I'm partial to metalics like copper or pewter.
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Good luck & good bowling

Personally the ball can be any color as long as it helps put some green in my pocket.
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You will not see me on the PBA Tour, but I love the game!!!