How to convert RGB to HSB and vice versa?

[sihui]

This may also help:

Example: Convert Color Item Values To RGB (With Explanation)

Because there are regular questions on how to read the Color Items’ values as 24-bit RGB ranging from 0-255 I just wrote this little explanation how and why it works. (Or at least one of the many ways) Let’s say you have a Color item named aacc_color. With this rule you can read out the R, G and B values from it: rule "get RGB Colors from ColorItem" when Item aacc_color received command then val red = (receivedCommand as HSBType).red * 2.55 val green = (receivedCommand as HSBType).gr…