ColorRSI_X20 indicator featuring background filling in overbought/oversold areas. Filling size and position are adjustable by inputs

input uint                 HighLevelM=80;          // maximum overbought level  input uint                 HighLevel=60;           // overbought level  input uint                 MidLevel=50;            // middle level  input uint                 LowLevel=40;            // oversold level  input uint                 LowLevelM=20;           // minimum overbought level  

When launching the indicator, you can change the style and color of only the first indicator line coming second in the indicator inputs color tab, while the remaining lines will have a similar look.

Fig. 1. ColorRSI_X20_Cloud indicator