![]() When we look at the same colors for someone with deuteranopia or protanopia – we can see how the colors differ. Let’s look at the color swatches available in ArcGIS Pro An intense color is more saturated, and a dull color is less saturated and looks more gray. ![]() Saturation refers to the intensity or purity of the color. Value increases in the lightness or whiteness of the color. ![]() A lower value represents a darker color and a value of zero is black. Hue is a term that is often used interchangeably for color. It is the color we see - red, green, blue - those are all hues. Hue refers to the wavelengths our eyes perceive. To start talking about color blind readability we need to take a step back and cover some color basics. How can we make our maps readable to those who may have some form of color blind readability issue? Provided at the end of the article will be resources for all forms of color blind readability issues. Monochromacy (achromatopsia) is extremely rare.įor the purposes of this article we will focus on maps readability for Deuteranopes and Protanopes, since they are the most common type. Other people may have Monochromacy (achromatopsia), this means they see no color at all, only shades of gray. Tritanopia and tritanomaly are extremely rare. People with tritanopia are unable to perceive ‘blue’ light or it can be tritanomaly, which is a reduced sensitivity to blue light.
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