Function keys shall contrast visually from background surfaces. Characters and symbols on key surfaces shall contrast visually from key surfaces....
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11B-707.6.3.1 Contrast
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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)(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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§ 1194.21(j)
(j) When a product permits a user to adjust color and contrast settings, a variety of color selections capable of producing a range of contrast levels shall be provided....
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Frederick Krimgold, Ph.D., Director, Disaster Risk Management Program, Virginia Tech Advanced Research Institute – National Capitol Region
Lack of Contrast Distracting Pattern. Wayfinding and Signage (slides 5 - 10) Lighting. Size. Context. Contrast....
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A4.29.2 TACTILE WARNINGS ON WALKING SURFACES
(Reserved).
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LRV Guru App - Demo #1
The LRV Guru app can be used two ways. Just enter the LRV values if you know them -- or -- use a NODE+Chroma hand-held colorimeter to measure for LRV.
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What You Need To Know About LRV in 90 Seconds
A 90 second tutorial about one of Lori Sawaya's favorite trade secrets - LRV, Light Reflectance Value. Learn how to use it and why you need to understand LRV.
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11B-703.7.2.6.2 Women’s toilet and bathing facilities
The circle symbol shall contrast with the door, either light on a dark background or dark on a light background....
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11B-703.7.2.6.1 Men’s toilet and bathing facilities
The triangle symbol shall contrast with the door, either light on a dark background or dark on a light background....
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11B-703.7.2.6.2 Women’s toilet and bathing facilities
The color of the circle symbol shall contrast with the color of the door or surface on which the circle symbol is mounted, either light on a dark background or dark on a light background...
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11B-703.7.2.6.1 Men’s toilet and bathing facilities
The color of the triangle symbol shall contrast with the color of the door or surface on which the triangle symbol is mounted, either light on a dark background or dark on a light background...
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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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§ 1194.25(h)
(h) When a product permits a user to adjust color and contrast settings, a range of color selections capable of producing a variety of contrast levels shall be provided....
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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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§27.71(k)(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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§ 27.71(k)(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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§ 38.79(b)
(b) All thresholds and step edges shall have a band of color(s) running the full width of the step or threshold which contrasts from the step tread and riser or adjacent floor, either light-on-dark...
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§ 38.99(b)
(b) All thresholds and step edges shall have a band of color(s) running the full width of the step or threshold which contrasts from the step tread and riser or adjacent floor, either light-on-dark...
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Mobility
less back on schedule, I’ll not go through the details of these other slides, except to show you that for all functions, they decrease pretty systematically with visual acuity and with contrast...
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§ 38.153(b)
(b) All step edges shall have a band of color(s) running the full width of the step which contrasts from the step tread and riser, either dark-on-light or light-on-dark....
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11B-705.1.1.3 Color and Contrast
The material used to provide visual contrast shall be an integral part of the surface. [2010 ADAS] 705.1.3 Contrast. ...
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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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Avoid the extremes of surface reflectivity and contrast (slides 11 and 13)
Does the white stringer help you identify where each of those steps is, having a contrast color for the vertical on the sides versus the horizontal of the tread?...
