TOOLS - > PREFERENCE - > COLORS to change the color
then
TOOLS - > PREFERENCE - > CHARTING -> CANDLESTICKS, choose "using one color for entire candle and solid body of up candle"
One more thing... I want my indicators to be on top of the candlesticks. For example, when Im looking for MA cross I want to be able to see the break. Now when a cross happens a candlestick is in the way.