Here are examples of over dyeing and under dyeing with indigo. As I experiment with agarita, weld, cota and persimmon yellows it is fascinating to see the impact of the order color is laid on a yarn as one goes for green. Here are the resulting greens from my valley. My camera might not have captured all the green tones but they are there!
Now here are the different components. Where appropriate I have laid the yellow in the middle and placed the indigo overdyed above the yellow and the yellow over the indigo below the skein. It made quite a difference in green in how one does the color layers.
Finally here is the persimmon series. In this case I used blender indigo over the cold persimmon dip. I like that color layering better than using persimmon over indigo. It is more pleasing to my eye. The different substrates or yarns also took the dyes in different depths and yielded different tones.
All in all a successful color journey in figuring out greens available to me in my valley!
debmcclintock 
Thank you for this post, the pictures are very informative! It confirms also my experience that in most cases it is better to dye first blue and then yellow over it to get green, but I also like very much the soft greens you got with persimmon and indigo in the last picture, especially the one in the left.
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Thanks. Leena, I seem to prefer the color yielded by the blue over the yellow. BUT it is all personal preference, I’m not much of a yellow person so have to come to terms with the yellows!
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This is fascinating – I’m only starting to do my first experiments with indigo so it was incredibly useful to me to see how the colour order affects the results. Thank you for sharing your results!
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Thanks Heidi, there are so many directions to go with color layering! Good note taking & sample cards are necessary so one can choose which way to go next! Of course, there are never enough skeins to go with your last minute decisions!
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These are such beautiful colours, and such complex experiments!
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Thanks, really it is not that complex. I make sure I have at least two skeins for each dye run so I can have one for over dying. I also tag my skeins so I can pick one up much later for experimenting. Lots of skein winding up front!
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I like it both ways- over and under. on silk, i find i get a more olive green with yellow over indigo and a more true green with indigo over yellow. In this case i’m using a fermentation vat and marigolds (alum mordanted). but there’s probably hardly a green i don’t like…
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I either use blender indigo or fructose vat. So many choices!
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