diff --git a/Rgb48Color-object-API.md b/Rgb48Color-object-API.md
index 294e793..5fc2dce 100644
--- a/Rgb48Color-object-API.md
+++ b/Rgb48Color-object-API.md
@@ -75,6 +75,16 @@ 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.
 
+### Rgb48Color 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.
+
+### Rgb48Color 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.