Triangle shaped charts overlayered:
Simple charts (1 to 10 mode) with overlayered triangles, the base color gets brighter as the value increases. Basically made with HTML, CSS3 and Javascript (jQuery dep). Uses HSLA color mode.
Values from 1 to 10 are set as "title" for each chart, chart description is set as class of each chart.
The script calculates amount of charts and set the border-width to assigned value, as for colors.