diff --git a/Sources/SwiftMath/MathRender/MTColor.swift b/Sources/SwiftMath/MathRender/MTColor.swift
index a753f40..88f8a0d 100644
--- a/Sources/SwiftMath/MathRender/MTColor.swift
+++ b/Sources/SwiftMath/MathRender/MTColor.swift
@@ -11,7 +11,7 @@ import Foundation
 
 extension MTColor {
     
-    static func color(fromHexString hexString:String) -> MTColor? {
+    public convenience init?(fromHexString hexString:String) {
         if hexString.isEmpty { return nil }
         if !hexString.hasPrefix("#") { return nil }
         
@@ -19,10 +19,10 @@ extension MTColor {
         let scanner = Scanner(string: hexString)
         scanner.charactersToBeSkipped = CharacterSet(charactersIn: "#")
         scanner.scanHexInt64(&rgbValue)
-        return MTColor(red: CGFloat((rgbValue & 0xFF0000) >> 16)/255.0,
-                       green: CGFloat((rgbValue & 0xFF00) >> 8)/255.0,
-                       blue: CGFloat((rgbValue & 0xFF))/255.0,
-                       alpha: 1.0)
+        self.init(red: CGFloat((rgbValue & 0xFF0000) >> 16)/255.0,
+                  green: CGFloat((rgbValue & 0xFF00) >> 8)/255.0,
+                  blue: CGFloat((rgbValue & 0xFF))/255.0,
+                  alpha: 1.0)
     }
     
 }
diff --git a/Sources/SwiftMath/MathRender/MTTypesetter.swift b/Sources/SwiftMath/MathRender/MTTypesetter.swift
index e80dfc5..fbcf7e1 100644
--- a/Sources/SwiftMath/MathRender/MTTypesetter.swift
+++ b/Sources/SwiftMath/MathRender/MTTypesetter.swift
@@ -502,7 +502,7 @@ class MTTypesetter {
                     }
                     let colorAtom = atom as! MTMathColor
                     let display = MTTypesetter.createLineForMathList(colorAtom.innerList, font: font, style: style)
-                    display!.localTextColor = MTColor.color(fromHexString: colorAtom.colorString)
+                    display!.localTextColor = MTColor(fromHexString: colorAtom.colorString)
                     display!.position = currentPosition
                     currentPosition.x += display!.width
                     displayAtoms.append(display!)
@@ -515,7 +515,7 @@ class MTTypesetter {
                     let colorboxAtom =  atom as! MTMathColorbox
                     let display = MTTypesetter.createLineForMathList(colorboxAtom.innerList, font:font, style:style)
                     
-                    display!.localBackgroundColor = MTColor.color(fromHexString: colorboxAtom.colorString)
+                    display!.localBackgroundColor = MTColor(fromHexString: colorboxAtom.colorString)
                     display!.position = currentPosition
                     currentPosition.x += display!.width;
                     displayAtoms.append(display!)