Detectable warnings are required to contrast visually from adjacent walking surfaces, either light-on dark or dark-on-light....
Search Results "Contrast"
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Contrast
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3.1 Key Findings
The luminance contrast between the detectable warning and sidewalk (particularly the logarithm of contrast) was an important factor for predicting the percentage of participants with visual...
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§ 382.57(c)(6)(iv)(A) Contrast
(A) Contrast. Function keys must contrast visually from background surfaces. Characters and symbols on key surfaces must contrast visually from key surfaces....
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§ 382.57(c)(7)(ii) Characters
Characters must contrast with their background with a minimum luminosity contrast ratio of 3:1....
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4.1.3(16)(a)
(a) Signs which designate permanent rooms and spaces shall comply with 4.30.1, 4.30.4, 4.30.5 and 4.30.6.
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3.3 Guidance on the Visual Properties of Detectable Warnings
However, low contrast detectable warnings might be sufficient if other methods are be used to increase the visibility of the curb ramp (e.g., if the entire curb ramp contrasts visually with...
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Detectable Warnings on Curb Ramps
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Pictograms and Symbols of Accessibility [ADA Standards §216.2 , §703.6, §703.7]
In addition, the pictogram must meet finish and contrast criteria and be located on a field at least 6” high....
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R410.2 Finish and Contrast
R410.2 Finish and Contrast. Characters and their background shall have a non-glare finish....
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4.29.2* Detectable Warnings on Walking Surfaces
shall consist of raised truncated domes with a diameter of nominal 0.9 in (23 mm), a height of nominal 0.2 in (5 mm) and a center-to-center spacing of nominal 2.35 in (60 mm) and shall contrast...
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4.30.3* COLOR CONTRAST
Characters and symbols shall contrast with their background - either light characters on a dark background or dark characters on a light background....
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4.30.5* Finish and Contrast
4.30.5* Finish and Contrast. The characters and background of signs shall be eggshell, matte, or other non-glare finish....
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Contrast
Contrast Interior applications require that the warning feature provide contrast in resilience or in sound when sensed with a cane....
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Finish and Contrast [4.30.5]
Finish and Contrast [4.30.5] All signs covered by 4.30 must have a non-glare finish, such as matte or eggshell. Recommendations: An eggshell finish is recommended....
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Symbols of Accessibility [4.30.7]
Color contrast between symbols and background is required but the color or size is not specified....
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T702 Signs
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T702.8 Contrast
Characters shall contrast with their background with either light characters on a dark background or dark characters on a light background....
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Reduced Contrast Sensitivity
And information in the image is defined by contrast (slide 33). Whereas, if visual acuity is lost, it looks blurred. When contrast sensitivity is lost, it goes away....
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Contrast Correlates to Visual Acuity
In this population [i.e., patients], contrast correlates with visual acuity....
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703.5.1 Finish and Contrast
Characters shall contrast with their background with either light characters on a dark background or dark characters on a light background. Advisory 703.5.1 Finish and Contrast....
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703.6.2 Finish and Contrast
Pictograms shall contrast with their field with either a light pictogram on a dark field or a dark pictogram on a light field. Advisory 703.6.2 Finish and Contrast....
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703.7.1 Finish and Contrast
Symbols of accessibility shall contrast with their background with either a light symbol on a dark background or a dark symbol on a light background....
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402.4 Characters (Section-by-Section Analysis)
This section would also require that characters contrast with their background with either light characters on a dark background or dark characters on a light background....
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407.2 Contrast (Section-by-Section Analysis)
407.2 Contrast (Section-by-Section Analysis) This section proposes that keys and controls, where provided, contrast visually from background surfaces....