Color changes can be used as signals. One of these colors can be used as a signal:
Indicators MT5 - Download Instructions
Chande's DMI-std adaptive with floating level MT5 Indicator (Metatrader 5 (MT5)) indicator. The purpose of this indicator is to transform the accumulated historical data.
Chande's DMI-std adaptive with floating MT5 Indicator allows you to spot patterns and peculiarities in price dynamics that are not visible to the naked eye.
This information allows traders to assume additional price movements and adjust their strategies accordingly. Click Here for MT5 Strategies
Step-by-Step RoboForex Trading Account Open Guide