The term value contrast refers to the relationship between areas of dark and even darker.10/11/2023 There is no contrast requirement beyond the text contrast ( 1.4.3 Contrast (Minimum)). With text also has a colored border, since the border does not provide the only indication Visual indication of the hit area then the Success Criterion is passed. Within a button or placeholder text inside a text input is visible and there is no The control, then that indicator must have sufficient contrast. The hit area, but if the visual indicator of the control is the only way to identify This success criterion does not require that controls have a visual boundary indicating However, the component must not lose contrast with the adjacent colors,Īnd non-text indicators such as the check in a checkbox, or an arrow graphic indicatingĪ menu is selected or open must have sufficient contrast to the adjacent colors. For example, there is not a new requirement that visited linksĬontrast with the default color, or that mouse hover indicators contrast with theĭefault state. States of an individual component meet the 3:1 contrast ratio when they do not appear This Success Criterion does not require that changes in color that differentiate between Information used to identify the control in that state has a minimum 3:1 contrast State, such as whether a component is selected or focused must also ensure that the Also, any visual information necessary to indicate Identify that a control is present and how to operate it must have a minimum 3:1 contrast ![]() Active User Interface Componentsįor active controls any visual information provided that is necessary for a user to 2.999:1 would not meet theģ:1 threshold). Ratio, the computed values should not be rounded (e.g. When comparing the computed contrast ratio to the Success Criterion The 3:1 contrast ratios referenced in this Success Criterion is intended to be treatedĪs threshold values.
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