The logo of TV channel "First City", we developed earlier, became the best TV logo according to the Ukrainian Design: The Very Best Of. So we started to get design tasks from other channels. Here is TV channel logo "KTK". It’s a pure math. We just took in attention simplicity and geometric of writing, recognition and adaptability of logo for different tasks. TV channel "KTK" – the Odessa's city channel. Everything, connected with Odessa associated with blue color. The main color of the logo is yellow. It perfectly fits on posters and prints on Odessa theme. Also it forms trend color combination, associated with the national flag of Ukraine. On business cards and other printing logo another additional background color can be used. "KTK" logo looks great on all surfaces. Its recognizable. For example, on the microphone.