I'm just playing around with Tiled Clones on the Color tab. Here's a sort of sampler I made to illustrate my questions.

(Geez, I don't know how it happens that images I insert into messages turn out so big -- I purposely scaled it down by 50% before saving it! Maybe it's just my 800x60 screen res?)
So anyway, on the Color tab, I put the same % in Rows and Columns beside Hue. By Saturation, I put 100% in each, and in L, 0 in both. The 16.7% one came from the tavmjong bah Guide, which results in each diagonal line of clones being a single, solid color. But it's only 6 colors, not what I thought was the typical 7 (ROY G BIV). (Orange is missing!)
After a good bit of experimentation, I found that 100% / 16.7 = 5.9 or 6. Thus the 6 colors. If I put 50% in each H, I got alternating diagonal rows of 2 colors. So clearly whatever percentage one enters for H, deterines how Hue spectrum is divided among the Rows and Columns -- or in other words, which colors are assigned to which rows/columns.
That's how I came up with 14.3 (100/7) hoping to get 7 diagonal rows of each 'roy g biv'. You can see in my image above, that 14.3 does render a goldish color, but still not orange. And in addition, there are 2 rows of green, 2 of blue and no yellow!
So my 1st question, how can I get the 7 colors of the spectrum displayed one per each diagonal row of the tiled clones array? I'm thinking I'll have to make my own gradient looking like the spectrum I want, and apply it to all the clones as one. But I do wonder if this can be done only with the Color tab of the Tiled Clones dialog?
And now referring to the array made with 5.0% in each row/column for Hue, you can see that for this particular array the spectrum more or less "fits" perfectly, with red at each end and no other repetitions. However I can't help but notice how red, blue and green cover several diagonal rows, while orange, yellow, blue-green and purple, barely have a single row of representation.
But then I looked at the HSL tab in the Fill and Stroke dialog for comparison, and I do notice that the Hue spectrum shares this kind of distribution of color. So my next question is Why? This may be one of those, 'that's just the way it is' answers. But I had never really noticed before that the colors separating red, blue and green take up far, far less space along the spectrum than red, blue and green do. And I'm just curious why it works this way.
Thanks for any comments. I really appreciate your help
