Colour contrast analyser cca4/27/2023 ![]() Selecting the 'also show contrast results for colour blindness' check box will display summary results for 'normal vision' and 3 types of colour blindness (Protanopia, Deuteranopia, Tritanopia) Note: The text of the summary and full results can be selected and copied. The 'Full Results' displays the values for each of the checks and what the pass/fail criteria are and indicates whether the contrast was found to be sufficient/insufficient. If either fail this is indicated with a cross. If both pass the check this is indicated with a tick. The 'Summary Results' indicate a value for both brightness and colour difference. The Results section is divided into summary results and full results. Note: For fine control of the cursor use the arrow keys. Once a colour is chosen with the colour sampler (left mouse click or 'enter' key) its hex value will appear in the 'hex value' text box and the results section will be updated to reflect the brightness and colour differences for the currently selected colour combination. The colour of the content under the tip of the cursor will appear in the colour pallet select box Once the colour sampler button is selected a magnified area will appear around the cursor. Useful for quickly sampling, checking and obtaining the hex values of colours. Sampling of a colour from a web page (or anywhere else on the screen) using a magnifying colour sampler. Useful if you have access to the Hex values of colours you want to check. Input of a colour value (in Hexadecimal format) into a text box. Note: This feature was inspired by the Color Palette Creator. This pallet is useful for testing lighter and darker shades of the base colour, which may improve the visibility of the colour combination being tested. ![]() ![]() The bottom row begins at 85% rather than 100% and continues on as the first. The opacity values are 100% opaque, 75%, 50%, 25% and 10% on the top row. The top row emulates opacity over a white background, the bottom over black. The bottom (smaller) colour pallet consists of 10 shades of the currently selected base colour, located top-left, at varying degrees of opacity. Use this to help you test and choose suitable colour combinations. The Colour Choice controls are divided into 2 sections (foreground & background) each has 3 ways to choose a colour to test.Ĭolour pallet(s) accessed via a select box.
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