Difference between blue and green clonazepam?

There are many different manufacturers of clonazepam, some blue, green, and other colours. The only difference is possibly in the inert ingredients like binders, fillers, and colouring agents.
Try googling the company name and the drug to see which formulation is the same as the blue pills you prefer. ("Accord clonazepam inert ingredients" or "Sandoz clonazepam inert ingredients" etc.)
Then ask your pharmacist to special order it or have your doctor write your script for the company that produces the pill like yours.
https://www.drugs.com/image/clonazepam-images.html
To get you started:
"ACCORD - Active ingredient: clonazepam Inactive ingredients: Tablets: o 0.5 mg tablets contain anhydrous lactose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, starch (corn) and FD&C Yellow."

Only accord makes the blue pills they are all on back order. They keep saying different release dates. Lab pharma makes a Klonopin also maybe she would do better on those . I had to change to the green ones but I’m doing ok . They are by teva . Maybe try the 2 milligram teva and cut in half . I did not like the yellow ones at all . It’s always hard on me and people like us when they change generics . You could also try brand but it might cost a bit . I hope she feels better

Have you contacted the doctor who prescribes them? I'd check with other local pharmacies to see if they have the blue ones. Some insurances mail out prescription meds, check into that too.
I went from the blue to the green without any problems.