The color(s) the image has shades of blue, green and black. is/are claimed as a feature of the mark.
The mark consists of the font that has been used for the brand "Costa Azul" since 2007 is a unique font that is different than many standard ones used in marketing. There is a notably different z that is used in 'Azul" and is actually a different font for just that specific letter.
The English translation of Costa Azul in the mark is blue coast.