Missing Texture might have a differente color[]
The missing texture might have a slightly darker purple in Java Edition and Bedrock Edition is more brighter. I compared between this 2 images: https://www.google.com/search?q=missing+texture+minecraft+bedrock+edition&rlz=1C1SQJL_enBR931BR931&sxsrf=ALeKk017GZQ0pLYgTuttX3UK_cuNDeDbjg:1616734798387&source=lnms&tbm=isch&sa=X&ved=2ahUKEwi95em6ls3vAhUXILkGHdleDH0Q_AUoAXoECAEQAw&biw=1366&bih=657#imgrc=Ee-2nuZLE7FTiM and https://www.google.com/search?q=missing+texture+minecraft+bedrock+edition&rlz=1C1SQJL_enBR931BR931&sxsrf=ALeKk017GZQ0pLYgTuttX3UK_cuNDeDbjg:1616734798387&source=lnms&tbm=isch&sa=X&ved=2ahUKEwi95em6ls3vAhUXILkGHdleDH0Q_AUoAXoECAEQAw&biw=1366&bih=657#imgrc=ZSRqQ_y769MZDM not sure if the bedrock screenshot is slightly darker so I don't know if my statement is true.