素 is a Chinese hanzi, listed here under the keyword “white (silk)”. It is built from 龶 (grow up) and 糸 (silk). It appears as a component in 11 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “grow up” + “silk”. 素 is among the results, together with every other character containing the same shapes.
Open 素 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.