Data Visualization Explained (Part 3): The Role of Color

Color plays a critical role in creating impactful data stories, but poor choices can mislead the human eye. The guide distinguishes between color hue (e.g., red, green) and color value (lightness/darkness), noting that value is perceivable even in grayscale. It details five types of color scales for different data types: sequential (unclassed/classed), divergent (unclassed/classed), and categorical. The content also advises against redundant color usage and stresses the importance of using accessible color palettes that can be interpreted by individuals with colorblindness.