Color getting overlapped in the indicator MQL5

Question

I am trying to paint the portions of the graph with Bollinger Bands. But while coloring the graph bands some portions are appearing to be colored with 2 colors or overlapped with colors,

See the following image:

See the portion marked with yellow rectangle. What can I do to avoid such overlapping for the colors?

How I can avoid this overlap? As it is making the visibility unable to understand what colors present at the moment. This documentation is not helpful right now.

I am just using the following :

//--- plot Label1
#property indicator_label1  "UpTrend"
#property indicator_type1   DRAW_FILLING
#property indicator_color1  DarkGreen//C'10,10,70'
#property indicator_style1  STYLE_SOLID 
#property indicator_width1  1
//--- plot Label2
#property indicator_label2  "DnTrend"
#property indicator_type2   DRAW_FILLING
#property indicator_color2  C'70,10,10'
#property indicator_style2  STYLE_SOLID
#property indicator_width2  1
//--- plot Label3
#property indicator_label3  "Flat"
#property indicator_type3   DRAW_FILLING
#property indicator_color3  Aqua//C'50,50,50'
#property indicator_style3  STYLE_SOLID
#property indicator_width3  1

Answer 1

How I can avoid this overlap?

Well, actually you can't.

There is no such tool inside the MetaTrader Terminal native GUI-engine to do so.

Yet, one may build one's own, remote GUI-engine, where any such tooling gets available ( and just communicate with the MT4/5 Terminal MQL4/5-code ).