abstract angles art artistic arty backdrop background black blended blue brown circles color colored colors colour coloured colours cream dark decoration decorative design detailed detailed patterns edges geometric geometrical image images interconnected intermeshed interwoven intricate intricate patterns kaleidoscopic patterns light lines mandala patterns pink points purple radiating red shapes sharp style texture textures vibrancy vibrant wallpaper white gray green grey yellow orange advice alert announcement appropriate-behavior appropriate-behaviour avoid be-careful beware care caution communicating communication concern danger dangerous deep denied directions health information informing not-allowed not-permitted permission-denied polluted pollution prohibited prohibition protect protection risk risks risky rules safety sign signs toxic toxicity unhealthy warning warning-sign water water-pollution water-toxicity weathered bright brilliant circular corners perspectives pointed rays rounded spiral spiraling spiralling