How do I customize the colors for an attribute in OOBE 12c?
Registration date colors in reports are counted from today's date:
red for more than 30 days
yellow 14-30
green 7-14
no color less than
Attribute name is "registration_date".
Conditional formatting. You create conditions for those values on your column and the rendering will take those into account
https://datacadamia.com/dat/obiee/obips/pivot_cross_conditionnal_formating