In this shop of mine you will find 10 designs with two shades stripes. The same designs are available in black and white, as well as two colors but they are in a different shop. Here are the links, just copy them in your browser and hit Enter:

https://society6.com/whitestripesshop
https://society6.com/blackstripesshop https://society6.com/twoshadesstripesshop https://society6.com/twocolorsstripesshop

The same color combinations but with a different pattern - a checkerboard instead of stripes, are available here:

https://society6.com/whitecheckeredshop https://society6.com/blackcheckeredshop https://society6.com/twoshadescheckeredshop https://society6.com/twocolorscheckeredshop