Shy Girl is a warm peach with very subtle golden shimmer and has a natural sheen. It has a Cremesheen finish, and it is part of the permanent range. MAC Gotta Dash is brighter, lighter. YSL Tender Peach is more opaque and peachier, while YSL Peach Passion is pinker and more opaque. Illamasqua Brink is brighter, more orange. MAC Fashion City is more orange.