Molty would be a better term since they do not look moldy which is a fungus.
" mold·y
/ˈmōldē/
adjective
covered with a fungal growth that causes decay, due to age or damp conditions.
"moldy bread"
synonyms: mildewed, mildewy, musty, moldering, fusty, blighted, smutty, decaying, decayed...