A photographed edition of the DippyDyes swatch book. This will give you a good idea of solid colors you can order here. Right now there are 60 pages, most with more than one value. The illustration shows three colors, nine values of each.
No, it’s not the same as the real thing, but here are some variables to consider:

comparing pixels with real fabric
what your monitor is showing to your eyes
whether your device has been color calibrated
the inevitable variations between dye lots

We worked very hard to provide a version with the best color rendering possible. When new colors are added, you’ll be able to download them too!