"steps": [
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                "color": "dark-red",
                "value": null
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                "color": "dark-yellow",
                "value": 0.95
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              {
                "color": "dark-green",
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              {
                "color": "rgba(50, 172, 45, 0.97)",
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                "color": "rgba(237, 129, 40, 0.89)",
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              {
                "color": "rgba(245, 54, 54, 0.9)",
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