皓 is a Chinese hanzi, listed here under the keyword “bright”. It is built from 白 (white) and 告 (tell). It appears as a component in 1 other character in this index.
On KumiJi Glyph Explorer, open the parts search and type “white” + “tell”. 皓 is among the results, together with every other character containing the same shapes.
Open 皓 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.