Colors
<color> := <predefined-color> | '#' <hex> <hex> <hex>
In instantOLAP, each color information is represented as a String containing a pre-defined color-name or a hexadecimal RGB value. Pre-defined color-names are simple names as 'red', 'green' or 'blue'. For the RGB-representation the String must begin with a '#', followed by a 6-digit hexadecimal value with 2 digits for the red-, green- and blue-value.
white, black, red, green, blue, light_grey, grey, dark_grey, orange, yellow, cyan
'#ffffff'
white
'#000000'
black
'#ff0000'
red
'#00ff00'
green
'#0000ff'
blue
'red'
red
'green'
green
'blue'
blue
