S_FLD_HAZ_ARFEMA flood zones (PentoGIS)Flood zone symbology by PentoGIS for FEMA National Flood Hazard Layer (NFHL) data (S_FLD_HAZ_AR: fields FLD_ZONE and ZONE_SUBTY). FEMA does not publish one official GIS colour palette; these colours follow FEMA flood map conventions and were checked for colour-blind separation. Free to download and use. Not for official flood determinations: use FEMA's Flood Map Service Center (msc.fema.gov). floodwayRegulatory floodwayZONE_SUBTY%FLOODWAY%#C9302C0.6#4D4D4D0.5 coastalCoastal high hazard, 1% annual chance (V, VE)FLD_ZONEVFLD_ZONEVEZONE_SUBTY%FLOODWAY%#25589E0.6#4D4D4D0.5 one_pct1% annual chance flood hazard (A zones)FLD_ZONEAFLD_ZONEAEFLD_ZONEAHFLD_ZONEAOFLD_ZONEARFLD_ZONEA99ZONE_SUBTY%FLOODWAY%#62AEE60.6#4D4D4D0.5 shaded_x0.2% annual chance or reduced risk due to levee (shaded X)FLD_ZONEXZONE_SUBTY0.2 PCT%ZONE_SUBTY%LEVEE%#EF8F2F0.6#4D4D4D0.5 undeterminedUndetermined flood hazard (D)FLD_ZONED#9E9E9E0.6#4D4D4D0.5 minimalMinimal flood hazard (unshaded X)FLD_ZONEXZONE_SUBTY0.2 PCT%ZONE_SUBTY%LEVEE%#4D4D4D0.5 open_waterOpen waterFLD_ZONEOPEN WATER#CFE3EF0.6#4D4D4D0.5