Color of phone number

Whoops! After the update, the phone number color went to white on a white screen. Can this be changed back to black and not affect the main screen button color? (My main screen is black to make the glow of the screen as least distracting as possible during downtime at weddings, so the main button color can not also be black)

I noticed the send text button is also different. Thank you for your time and your help!!