BTW, I consider the khaki/smoke theme presented in Fergus' latest posting excellent
I do think these are aesthetically pleasing. If there are no objections then they are fine with me.
I have made these colors default for the time being, but I am not happy with the result. The board feels less solid to me because of the lightness of the colors, especially without a border around it. For the dark squares, I think I would favor a green that is bright enough to contrast with the duller blue of Black's pieces, as we have in Diagram Designer's defaults, and light squares that are closer to white than the yellow in those defaults.
Here is another suggestion alongside the present default:
I have made these colors default for the time being, but I am not happy with the result. The board feels less solid to me because of the lightness of the colors, especially without a border around it. For the dark squares, I think I would favor a green that is bright enough to contrast with the duller blue of Black's pieces, as we have in Diagram Designer's defaults, and light squares that are closer to white than the yellow in those defaults.
Here is another suggestion alongside the present default: