This application is created for true professionals! Thousands of architects, designers, engineers and simply creative people from all over the world use our product. All the comments and wishes of users helped to create a reliable, powerful and useful application. We developed physically correct 3D materials and brought to perfect the color rendering. The app is very easy to master, and reliability and speed of operation will pleasantly surprise you. We can state with confidence, that it’s the best digital RAL colour chart ever! RAL is an international colour matching system demanded in almost all sectors. The RAL colour standard holds the dominant position in architecture, design, industry and commerce. Leading global companies use RAL colours in their production. - original colour chart: RAL Classic, RAL Effect, RAL Design - physically correct 3D materials - perfect colour rendering - colours and description can be added to your favorites - convenient converter in RGB, CMYK, HEX - app does not require the Internet - ad-free Recommended for iPhone 5S or higher!