Update COLOR.md

documentation/COLOR.md

@@ -26,7 +26,7 @@ dependencies {
 
 Color choosers show a simple grid of colors.
 
-<img src="https://raw.githubusercontent.com/afollestad/material-dialogs/master/art/color_chooser.png" width="250px" />
+<img src="https://raw.githubusercontent.com/afollestad/material-dialogs/main/art/color_chooser.png" width="250px" />
 
 ```kotlin
 val colors = intArrayOf(RED, GREEN, BLUE)
@@ -59,7 +59,7 @@ MaterialDialog(this).show {
 You can specify sub-colors, which are a level down from each top level color. The size of the top 
 level array must match the size of the sub-colors array.
 
-<img src="https://raw.githubusercontent.com/afollestad/material-dialogs/master/art/color_chooser_sub.png" width="250px" />
+<img src="https://raw.githubusercontent.com/afollestad/material-dialogs/main/art/color_chooser_sub.png" width="250px" />
 
 ```kotlin
 val colors = intArrayOf(RED, GREEN, BLUE) // size = 3
@@ -81,7 +81,7 @@ MaterialDialog(this).show {
 
 ### ARGB Selection
 
-<img src="https://raw.githubusercontent.com/afollestad/material-dialogs/master/art/custom_argb.png" width="250px" />
+<img src="https://raw.githubusercontent.com/afollestad/material-dialogs/main/art/custom_argb.png" width="250px" />
 
 ```kotlin
 MaterialDialog(this).show {
@@ -98,4 +98,4 @@ MaterialDialog(this).show {
 }
 ```
 
-Omitting `showAlphaSelector` will hide the alpha (transparency) selector.
\ No newline at end of file
+Omitting `showAlphaSelector` will hide the alpha (transparency) selector.