diff --git a/RgbwColor-object-API.md b/RgbwColor-object-API.md
index 0a5bd40..ac2deaf 100644
--- a/RgbwColor-object-API.md
+++ b/RgbwColor-object-API.md
@@ -76,6 +76,19 @@ Lighten will adjust the color by the given delta toward white.
 NOTE: This is a simple linear change.  If the color only has W value set, only W will be modified; otherwise only the R,G,B will be modified leaving W alone.  
 > * _delta_ - (0-255) the amount to lighten the color by.
 
+### int16_t CompareTo(const RgbwColor& other, uint8_t epsilon = 1)
+Compares against another color with the given epsilon.  
+Returns the greatest difference of a set of elements, where 0 means the colors are equal within epsilon delta, negative means this is less than the other, positive means this is greater than the other.  
+> * _other_ - the color to compare against.  
+> * _epsilon_ - the max delta acceptable for them to be considered the same color.   
+
+### static int16_t Compare(const RgbwColor& left, const RgbwColor& right, uint8_t epsilon = 1)
+Compares two colors with the given epsilon.  
+Returns the greatest difference of a set of elements, where 0 means the colors are equal within epsilon delta, negative means left is less than the right, positive means left is greater than the right.  
+> * _left_ - the first color to compare.  
+> * _right_ - the other color to compare.     
+> * _epsilon_ - the max delta acceptable for them to be considered the same color.     
+
 ### static RgbwColor LinearBlend(RgbwColor left, RgbwColor right, float progress);
 This will blend between two colors by the amount defined by the progress variable.  
 > * _left_ - the color to start the blend at.