JLPT-N2
真 ま
straight (ahead)くらtotal darknessくろpitch blackさきthe headしろpure whiteうえjust aboveこころsincerityしたright underぷたin two equal partsなかmiddleまえright in frontまるperfectly circular
黒 くろ
くろBlackくろblackくろpitch blackくろbalance (figure) in the black