diff --git a/Rgbw64Color-object-API.md b/Rgbw64Color-object-API.md
index a5cc7da..9b27205 100644
--- a/Rgbw64Color-object-API.md
+++ b/Rgbw64Color-object-API.md
@@ -74,6 +74,16 @@ Brighten will return a new color that is blended to white with the given ratio.
 NOTE: This is a simple linear change.  
 > * _ratio_ - (0-65535) where 65535 will return the original color and 0 will return white.
 
+### Rgbw64Color Dim(uint8_t ratio);
+Dim will return a new color that is blended to black with the given ratio.  
+NOTE: This is a simple linear change.  
+> * _ratio_ - (0-255) where 255 will return the original color and 0 will return black.
+
+### Rgbw64Color Brighten(uint8_t ratio);
+Brighten will return a new color that is blended to white with the given ratio.  
+NOTE: This is a simple linear change.  
+> * _ratio_ - (0-255) where 255 will return the original color and 0 will return white.
+
 ### void Darken(uint16_t delta);
 Darken will adjust the color by the given delta toward black.  
 NOTE: This is a simple linear change.