Pitch Black, Pure Black
noun, な adjective
The reality is that it's black. Like, so black that it's beyond fake black, it's reality black. This is so black it's pitch black.
まっくろ
The reading for the 真 is the vocab kun'yomi reading. Think of what is pitch black. It's your poor Ma (ま). She is so dark that she sucks in light, like a black hole... wait, she is a black hole, it explains why your Ma is pitch black.
コウイチは真っ黒なニンニクが好きなんです。
Koichi loves pure black garlic.
ビエトはハワイのビーチで真っ黒に日やけして帰ってきました。
Viet came back from the beach in Hawaii with a dark tan.
このカラコン、黒目が真っ黒でもめっちゃ発色するよ！
These colored contacts show up super well, even on pitch-black pupils!