Merge pull request #333 from alecmolloy/rgb+rgba

Adding rgb+rgba color functions for straightforward color creation

Author: rcocetta

lib/language/modules/colors.js

@@ -136,6 +136,31 @@ function rotate(color, amount) {
     return Color(color).rotate(amount).rgbaString();
 }
 
+/*
+ * Rotate color hue by given amount
+ *
+ * @param {Number} red
+ * @param {Number} green
+ * @param {Number} blue
+ * @return {String}
+ */
+function rgb(red, green, blue) {
+    return "rgb(" + red + ", " + green + ", " + blue + ")";
+}
+
+/*
+ * Rotate alpha color hue by given amount
+ *
+ * @param {Number} red
+ * @param {Number} green
+ * @param {Number} blue
+ * @param {Number} alpha
+ * @return {String}
+ */
+function rgba(red, green, blue, alpha) {
+    return "rgba(" + red + ", " + green + ", " + blue + ", " + alpha + ")";
+}
+
 /*
  * Get color opacity or set it to value if it's passed
  *
@@ -233,9 +258,11 @@ module.exports = {
     hue            : hue,
     setTransparency : setTransparency,
     rotate         : rotate,
+    rgb            : rgb,
+    rgba           : rgba,
     opacity        : opacity,
     opacize        : opacize,
     transparentize : transparentize,
     setBrightness  : setBrightness,
     setSaturation  : setSaturation
-};
+};

lib/language/modules/palette.json

@@ -137,6 +137,7 @@
     "steelblue"            : "#4682B4",
     "tan"                  : "#D2B48C",
     "teal"                 : "#008080",
+    "transparent"          : "rgba(0,0,0,0)",
     "thistle"              : "#D8BFD8",
     "tomato"               : "#FF6347",
     "turquoise"            : "#40E0D0",