{"type":"firestarter.listing","listing":{"id":"lst_tRFkBd7s","product_name":"Phthalocyanine Cyan PB15:4 Watercolor Paint, Half-Pan, New!","category":"Watercolor Paint, Half-Pan","description":"Phthalocyanine Cyan PB15:4 Watercolor Paint, Half Pan\nGreenleaf &amp; Blueberry Professional Handmade Watercolors\n \n \nColor Overview\n\n\n\n Color Name\nPhthalocyanine Cyan PB15:4\n\n\nPigment\nPhthalocyanine Cyan PB15:4\n\n\nPigment Index No.\nPB15:4\n\n\nChemical Formula\n\nC32H16CuN8\n\n\n\nSeries No.\nSeries 2\n\n\nLightfastness Rating\n5/5 Very Lightfast\n\n\nToxicity\n1/5 No Known Toxicity\n\n\nHue\nBlue Category\n\n\nChroma\n5/5 High Chroma\n\n\nTransparency\n1/5 Very Transparent\n\n\nPigment Type\nSynthetic\n\n\nGranulation\nNo\n\n\nValue Range\n5/5 Wide Range\n\n\nTinting Strength\n5/5 High Strength\n\n\nStaining\nStaining\n\n\nFlocculation\n1/5 Dispersing\n\n\nVariegation\nNo\n\n\n\n \nSwatches \nColor behavior assessments and descriptions are of course somewhat subjective, your perception being determined by your watercoloring experience.  We offer this information with the intent of giving you an accurate idea of how a color will look and handle so that you can determine if it is a good fit for your palette and painting practice.\nSCROLL DOWN FOR INFORMATION ABOUT HOW TO REACH EACH TYPE OF SWATCH\n\n\n\nCombination Swatch\n \n\n\n\n\nGravity Wash Swatch\n\n\n\n\n\nValue Scale Swatch\n\n\n\n\n\n\n\nColor Description\nOur Phthalocyanine Cyan PB15:4 is an intense cool cyan that makes an excellent choice for a primary blue.  It also possesses a nearly complete value range, almost reaching black at its most concentrated.  With an almost out-of-control tinting strength, this pigment needs to be used with restraint.  However, because a little goes a long way, this color tends to last much longer than others.\nIts characteristics are generally typical of Phthalocyanine pigments, in terms of tinting strength and value range. Particle size is very fine and and it disperses nicely.  Its intensity can make it a bit of a challenge to control if you are unfamiliar with modern synthetic pigments.  \nThis color is is an excellent choice for a single primary blue or for your cool blue in a split primary palette.  It differs from our Phthalocyanine Cyan PB16 in that it isn't","images":["https://cdn.shopify.com/s/files/1/1696/5931/files/PhthalocyanineCyanPB15-4HPListingJPEG_985513da-680b-4706-ac8e-ed8da819e28a.jpg?v=1752843906","https://cdn.shopify.com/s/files/1/1696/5931/files/IMG_92032_5d803d4f-2250-4b93-b4b3-d48a0b626239.jpg?v=1752843906","https://cdn.shopify.com/s/files/1/1696/5931/files/PhthalocyanineCyanPB154FlatWashScan_6d0c9fae-8a74-466e-a31b-e0836ef07c8c.jpg?v=1756477894"],"price":13.35,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:21.574Z","product_rating":null,"product_rating_count":0,"seller_rating":null,"seller_rating_count":0,"units_sold":0,"reviews":{"count":0,"top":[]},"videos":[]},"share_url":"https://firestarter.network/l/lst_tRFkBd7s","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_tRFkBd7s' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Phthalocyanine Cyan PB15:4 Watercolor Paint, Half-Pan, New!' and a budget_max comfortably above $13.35 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}