Tomorrow I make this sign up form, which one is beautiful

Today I have made this design. Which is the best colour?

hi all of my online friends , i design a digital marketing website in adobe xd . feel fee comment how it look. any suggestions for me please comment . thanks behance: behance.net/gallery/110959… how to make this videos youtube: youtu.be/Tf46-VNDhA4

hi all of my online friends , i design a page builder website in adobe xd & adobe adobe dimension. feel fee comment how it look. any suggestions for me please comment . thanks behance: behance.net/gallery/118334… how to make this videos youtube: youtube.com/watch?v=T-Kzc2…

travel website design in adobe xd behance:behance.net/gallery/125991… speed art youtube:youtube.com/watch?v=T9cGCS…

social media marketing website design behance:behance.net/gallery/130577…

glass effect Windows os solution website in adobe xd behance:behance.net/gallery/130668… youtube:youtu.be/cHKaCOB8E3o