In the early summer of 2019, cousin liu wen performed a group of "G7 green" blockbusters refresh circle of friends, which became a fresh touch of summer. This fairy color comes from G7 highway, the longest desert highway in the world. The landscape changes from prosperity to desolation, and the landscape changes with different natural colors. G7 green is an exclusive Color released by Cadillac Pantone Color Institute TM under the name of environmental protection. In addition, Cadillac has teamed up with the popular logo Opening Ceremony to create a 'G7 green' inspired collection, which liu wen wore while planting poplars.

Cadillac and Opening Ceremony collaborate together for taking the joint series including clothing, t-shirts and hats, adopt the most vitality and the impact of "the G7 green" give priority to color, the Opening taking two brand called Carol Lim and Humberto Leon to design, they will brave the good stories and plant elements into the creative, generate the symbolic Hu Yangshu camouflage pattern.

The inner similarity contributes to the cooperation between Cadillac and Opening Ceremony. Opening Ceremony has renowned for its pioneering breakthroughs in using multi-cultural elements into fashion design, which coincides with Cadillac's brand spirits “brave” and “innovative”. Regarding the special "G7 Green" collection, designers Carol Lim and Humberto Leon say that: "The green plant is skin of the earth. Just like the clothes that people wear to protect themselves, we decided to design a green suit for the planet.“