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Colour-blind friendly palettes

Visually accessible colour palettes for inclusive graphic design contain only colours that are also discernible when converted to grey-scale.

Visually accessible colour palettes for inclusive graphic design contain only colours that are also discernible when converted to grey-scale. The simulated colour-blind appearance of the individual colours is presented at the bottom portions of the coloured arcs. The open-access Scientific colour maps (Crameri, 2018) are colour-blind friendly colour palettes that are suitable for data visualisation and more general graphic applications, such as web design.

  • Vector-format version
  • Transparent background
  • Light & dark background versions
  • Colour-vision deficiency friendly

Faulty or missing link? – Please report them via a reply below!

Perceptually-uniform colour gradients

Accurate colour scales for data visualisation have a constant local colour contrast between neighbouring colour values along the individual gradients.

Accurate colour scales for data visualisation have a constant local colour contrast between neighbouring colour values along the individual gradients. The open-access Scientific colour maps (Crameri, 2018) are perceptually-uniform and also colour-blind friendly colour gradients that are suitable for mapping data with colour in any type of science graph.

  • Vector-format version
  • Transparent background
  • Light & dark background versions
  • Colour-vision deficiency friendly

Faulty or missing link? – Please report them via a reply below!

Scientific colour map demonstration

A photograph of Marie Skłodowska-Curie, the Earth from space, and an apple demonstrate the superiority of scientific colour maps.

A photograph of Marie Skłodowska-Curie (by Henri Manuel around 1920), the Earth from space, and an apple demonstrate the superiority of scientific colour maps as they are shown a in their original form (middle) and in distorted (left) and in undistorted (right) colour versions. Inferring the true picture from an unscientifically (e.g., jet) coloured data set is incomparably harder than from a data set represented in a perceptually uniform and ordered colour map, like batlow. By knowing what something looks like in advance, the distortion by unscientific colour maps, like jet or rainbow, becomes instantly obvious. The look of scientific data is, however, usually unknown a priori, which makes the distortion of an unscientific colour map, and the true data representation of a scientifically derived colour map, like batlow, less apparent, but not less significant. Figure originally published in Crameri et al. (2020).

  • Print-ready format
  • Transparent background
  • Light & dark background versions
  • Colour-vision deficiency friendly

Faulty or missing link? – Please report them via a reply below!

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