diff --git a/RgbColor-object-API.md b/RgbColor-object-API.md
index f4a15ea..3604056 100644
--- a/RgbColor-object-API.md
+++ b/RgbColor-object-API.md
@@ -99,4 +99,12 @@ This will blend between four colors by the amount defined by 2d weighting values
 > * _c10_ - lower left quadrant color  
 > * _c11_ - lower right quadrant color  
 > * _x_ - unit value (0.0 - 1.0) that defines the blend progress in horizontal space  
-> * _y_ - unit value (0.0 - 1.0) that defines the blend progress in vertical space  
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+> * _y_ - unit value (0.0 - 1.0) that defines the blend progress in vertical space  
+
+
+## Operators
+### uint8_t operator[](size_t idx)
+The index operator allows accessing the R, G, and B properties using an index.  There are both read only and read write versions.
+```
+   uint8_t green = color[1];
+```
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