blue Champagne color colors glass glasses green heart hearts Nyberg plastic red rgb tangle tangled abstract architecture brick bricks case-harden cement concrete construction element elements mosaic saavem textures beware black caution danger flake lubricity road security sign snow triangle warning winter yellow abundance abundant border bright flowers garden hanging many nature orange patio pendant pendulant plants profusion Rusella equisetiformis Scrophulariaceae summer trumpets arrow device direction electronic go gps navigation portable ride satelite screen stop