@wouwonline : Go to Appearance => Customize => Additional css and add the following css.
– Hover of the button in the header right side bar : 
#call-to-action-widget .button-minimal:hover, #call-to-action-widget .button-minimal:focus {
	background-color: #color-code;
}
the red dots in the slider : 
#feature-slider .cycle-pager span.cycle-pager-active {
	color: #color-code;
}
Colors in the team section on homepage : 
#team-section #feature-slider .cycle-pager span.cycle-pager-active {
	color: #color-code;
}
#team-section .entry-title a:hover {
	color: #color-code;
}
#team-section .entry-content {
	color: #color-code;
}
Please provide the link of your consultation form.
footer contact info: the color and hove color of the button : 
.site-footer .button-minimal {
	background-color: #color-code;
}
.site-footer .button-minimal:hover {
	background-color: #color-code;
}
Note : Replace #color-code with your desired colors.
Let me know if you have any further issues.
Regards,
Tikaram