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visual contrast »
Image supplied by BDP
A key consideration for BSF design teams, when creating
inspirational environments, is the guidance set out in Approved
Document M - Access to and Use of Buildings and in the code of
practice BS8300. These documents outline the requirement for
certain surfaces and features to visually contrast with their
surroundings.
Visual contrast is achieved by differences in light
reflectance values; the proportion of light reflected by a
colour, measured in daylight conditions. The greater the light
reflectance value, the lighter the colour, (where 100 is a
theoretical total white and 0 total black) measured on a points
scale. Approved Document M calls for a minimum of 30 points
difference between areas of contrast.
Areas of particular importance include:
- Door to wall
- Architrave to wall
- Handle to door face
- Door edge to face (doors held open at 90
degrees)
- Primary leaf to frames/secondary leaf in
pairs
- Skirting same as walls but different to
the floor/ceiling
As part of Leaderflush Shapland's support to BSF design teams
we can provide suggestions and solutions to achieve the required
visual contrast, whilst maintaining the ethos of inspirational
environments.
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