濃 means thick, strong (concentration) and is a JLPT N2 kanji. It has 16 strokes and uses the water (three drops) radical (氵).
Stroke order · 16 strokes
On'yomi (音読み)
ノウ
Kun'yomi (訓読み)
こ(い)
Radical
氵 · water (three drops)
Strokes
16
How to remember 濃
Farm (農) produce dissolved into water (氵) until thick — concentrated. 濃い — tea can be 濃い, ramen broth can be 濃い, even makeup can be 濃い; it's all about degree.