of a sea turtle with gradient colors and geometric details, highlighted by a multicolored watercolored background

illustration advertising screenshot cartoon diagram balloon purple circle violet poster brand organ font ball pink play blue logo toy art illustration sea turtle gradient colors multicolored watercolored underwater animal ocean reptile tortoise water sea scuba swimming diving marine nature green tropical diver undersea colorful wildlife aquatic design cartoon paradise creature protection artistic pacific nautical swim artwork drawing isolated decoration conceptual contemporary template modern decorative postcard print culture graphic