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Enter a foreground and background color in RGB hexadecimal format or choose a color using the Color Picker. Enter an Alpha value to adjust the transparency of the foreground color. Use the Lightness slider to adjust the perceived lightness of the color.
Contrast Checker. Make sure your color choices are as accessible as possible by checking the contrast ratio of your background and text colors.
Explore more than 10 million color schemes perfect for any project; Pro Profile, a new beautiful page to present yourself and showcase your palettes, projects and collections; Get advanced PDF export options like shades, hues, color blindness, etc. Unlock additional tools like the new Palette Visualizer to check your colors on real designs
Color contrast is a term used in color theory that describes the difference between different color hues. Tonal contrast — a different type of contrast adjustment — describes the difference between the lightest and darkest tones in the image.
This brief guide introduces UX designers to color contrast ratios and how to effectively apply this principle to your designs. This article does not delve into the complexities of choosing accessible colors for color blindness.
Color contrast is an artistic effect achieved by applying two colors with opposite properties side by side. The larger the difference, the more intense and extreme the contrast. There is a contrast between small and large, cold and warm, dark and light.
Check the contrast between different colour combinations against WCAG standards.
Contrast-Finder is a tool which computes the contrast between two colors (background, foreground) and checks if the contrast is valid. When the contrast is not valid, the main target is to suggest some correct colors contrasts.
Calculate color contrast. The color contrast formula uses the relative luminance of colors to help determine contrast, which can range from 1 to 21. This formula is often shortened to [color value]:1. For example, pure black against pure white has the largest color contrast ratio at 21:1.
The Polypane color contrast checker checks against values defined by the WCAG 2 (Web Content Accessibility Guidelines) or APCA (the Accessible Perceptual Contrast Algorithm). WCAG give a formula to calculate the contrast, ranging from 1 (no contrast) to 21 (black on white).