The color(s) blue, yellow and white is/are claimed as a feature of the mark.
The mark consists of the word "GLESOL" in stylized blue letters outlined white. There is a depiction of a blue butterfly over the letter "e". Above all there is a depiction of a roof of a house with a chimney, all in blue. Below the word there is a blue underline formed by two curved lines united in the center, similar to the depiction of the roof. The background is yellow with white sun rays.
The wording "Glesol" has no meaning in a foreign language.