The candle formation could be considered a Harami (bullish formation) a two candlestick pattern in which a small real body holds within the prior session's unusually large real body. The harami implies that the preceding trend is getting ready to conclude.
OR
a Thrusting Line (bullish formation) Thrusting Line (Bullish)--a green candlestick which closes in the prior red's real body, but still below the middle of the prior session's real body.