We often take colour for granted when choosing palettes for our designs, assuming the appearance will be the same for everyone. In reality, the choices that look good to people with good colour vision could cause serious usability problems for people affected by various forms of colour-blindness, a type of disability that affects the perception of colour and occurs in a surprisingly large percentage of the population. This Pocket Guide will teach you how to create designs that are accessible to people with colour-blindness without sacrificing aesthetics. Who should read this book?This book is primarily aimed at web, app and game designers who want to ensure their colour choices are as accessible as possible, but contains useful information that will benefit any designer who makes colour decisions in a project. Topics include:PART 1: LEARN ABOUT COLOUR-BLINDNESSAn explanation of what colour-blindness is, what it looks like, how it affects people, and why we should care. PART 2: CHOOSE APPROPRIATE COLOURSStrategies for choosing colour combinations that are more likely to be discernible by the largest number of people. PART 3: TIPS AND TRICKSWhat to do and what to avoid when designing with colour. PART 4: CHECK YOUR WORKHow to catch any potential problems in your work and ensure your websites meet colour contrast compliance. PART 5: PROVIDE ALTERNATIVESIdeas for features that can be implemented in existing designs to increase usability.