[R] Stacked barplot: specifying individual bar hue/luminance

Hi all, I'm trying to generate barplots from simple but long (~10-row) data files, in which each bar will comprise two stacked 'sub-bars'. All the upper sub-bars will have the same hue, and all the lower bars will, likewise, have another uniform hue. However, I wish to specify the

[R] Stacked barplot: specifying individual bar hue/luminance

Hi all, I'm trying to generate barplots from simple but long (~10-row) data files, in which each bar will comprise two stacked 'sub-bars'. All the upper sub-bars will have the same hue, and all the lower bars will, likewise, have another uniform hue. However, I wish to specify the