Colour-blind friendly palettes
Visually accessible colour palettes for inclusive graphic design contain only colours that are also discernible when converted to grey-scale.
Perceptually-uniform colour gradients
Accurate colour scales for data visualisation have a constant local colour contrast between neighbouring colour values along the individual gradients.
Scientific colour map demonstration
A photograph of Marie Skłodowska-Curie, the Earth from space, and an apple demonstrate the superiority of scientific colour maps.
Colour palette and gradient types
Classification of colour maps into palette types and gradient types.
Light spectrum (approximation)
Approximate RGB values for the visible wavelengths of the light spectrum.
Colour perception: Background colour
Animated illustration of human colour and lightness perception.
Endrainbow
An icon to indicate the misuse of unscientific colour gradients that visually distort the underlying data and are not accessible to colour-vision deficient viewers.