How to replace ALL the pink

About pink colors you can try get premium version :

look here : https://mythem.es/item/my-lovely-premium-wordpress-theme/

Admin Dashboard: myThem.es > General
https://dl.dropboxusercontent.com/u/63722484/my-lovely/mythem.es-general.png

About Page Titles:

you can use option “Add custom css” ( Appearance > Theme Options ) add custom css like:

/* hide all titles from pages, single posts and blog archives */
div.line.title h1{
display: none;
}

/* hide all titles from pages */
body.page div.line.title h1{
display: none;
}

/* hide all titles from pages and blog archives and show for single post */
body.page div.line.title h1{
display: none;
}
body.single div.line.title h1{
display: block;
}