Double Bass Help identifying strings

[Montreal Roger]

Hi,
I have had my bass for a couple of years, and anytime someone plays it, they invariably say it is difficult. The action is fine, so I am wondering if it is the strings. Is there an easy way to identify what kind of strings are on a bass, and for bluegrass playing, what kind are the easiest to play? The loudest? Thanks in advance for the info.
Cheers!

 

[Francois Blais]

What are the silk colors at *both* the tailpiece and peg ends, please?

Welcome on Talkbass, by the way!

P.S. I had this thread moved from the BG side.

 

[Montreal Roger]

Hi! From the endpin side they are green with a yellow stripe.
Thanks for the post!
Roger

 

[Francois Blais]

Looks like D'Addario Helicore Hybrids.
Good quality string, nothing special there.

Maybe the grooves at the top nut are too high?
There shouldn't be more than two business cards space there, between the strings and the fingerboard.
Usually, the thickness of a single business card is okay.