diff --git a/README.md b/README.md
index 512f4dce..583faf7f 100644
--- a/README.md
+++ b/README.md
@@ -169,6 +169,7 @@ computational environment for Jupyter, supporting interactive data science and s
 - [**cPanel & WHM**](https://cpanel.com): The hosting platform of choice.
 - [**Nutanix**](https://github.com/nutanix): Nutanix Enterprise Cloud uses xterm in the webssh functionality within Nutanix Calm, and is also looking to move our old noserial (termjs) functionality to xterm.js
 - [**SSH Web Client**](https://github.com/roke22/PHP-SSH2-Web-Client): SSH Web Client with PHP.
+- [**Shellvault**](https://www.shellvault.io): The cloud-based SSH terminal you can access from anywhere.
 
 [And much more...](https://github.com/xtermjs/xterm.js/network/dependents)
 
diff --git a/src/Buffer.ts b/src/Buffer.ts
index 5d45645f..5c843808 100644
--- a/src/Buffer.ts
+++ b/src/Buffer.ts
@@ -283,7 +283,7 @@ export class Buffer implements IBuffer {
    * @param i The index to start setting up tab stops from.
    */
   public setupTabStops(i?: number): void {
-    if (i != null) {
+    if (i !== null && i !== undefined) {
       if (!this.tabs[i]) {
         i = this.prevStop(i);
       }
@@ -302,7 +302,7 @@ export class Buffer implements IBuffer {
    * @param x The position to move the cursor to the previous tab stop.
    */
   public prevStop(x?: number): number {
-    if (x == null) {
+    if (x === null || x === undefined) {
       x = this.x;
     }
     while (!this.tabs[--x] && x > 0);
@@ -314,7 +314,7 @@ export class Buffer implements IBuffer {
    * @param x The position to move the cursor one tab stop forward.
    */
   public nextStop(x?: number): number {
-    if (x == null) {
+    if (x === null || x === undefined) {
       x = this.x;
     }
     while (!this.tabs[++x] && x < this._terminal.cols);
diff --git a/src/Linkifier.ts b/src/Linkifier.ts
index 9ab770d9..32504cc2 100644
--- a/src/Linkifier.ts
+++ b/src/Linkifier.ts
@@ -7,6 +7,7 @@ import { IMouseZoneManager } from './ui/Types';
 import { ILinkHoverEvent, ILinkMatcher, LinkMatcherHandler, LinkHoverEventTypes, ILinkMatcherOptions, ILinkifier, ITerminal, LineData } from './Types';
 import { MouseZone } from './ui/MouseZoneManager';
 import { EventEmitter } from './EventEmitter';
+import { CHAR_DATA_ATTR_INDEX } from './Buffer';
 
 /**
  * The Linkifier applies links to rows shortly after they have been refreshed.
@@ -24,7 +25,7 @@ export class Linkifier extends EventEmitter implements ILinkifier {
   private _mouseZoneManager: IMouseZoneManager;
   private _rowsTimeoutId: number;
   private _nextLinkMatcherId = 0;
-  private _rowsToLinkify: {start: number, end: number};
+  private _rowsToLinkify: { start: number, end: number };
 
   constructor(
     protected _terminal: ITerminal
@@ -187,7 +188,7 @@ export class Linkifier extends EventEmitter implements ILinkifier {
     let text = this._terminal.buffer.translateBufferLineToString(absoluteRowIndex, false);
     let currentIndex = absoluteRowIndex + 1;
     while (currentIndex < this._terminal.buffer.lines.length &&
-        (<any>this._terminal.buffer.lines.get(currentIndex)).isWrapped) {
+      (<any>this._terminal.buffer.lines.get(currentIndex)).isWrapped) {
       text += this._terminal.buffer.translateBufferLineToString(currentIndex++, false);
     }
 
@@ -216,6 +217,12 @@ export class Linkifier extends EventEmitter implements ILinkifier {
     // Get index, match.index is for the outer match which includes negated chars
     const index = text.indexOf(uri);
 
+    // Get cell color
+    const line = this._terminal.buffer.lines.get(this._terminal.buffer.ydisp + rowIndex);
+    const char = line[index];
+    const attr: number = char[CHAR_DATA_ATTR_INDEX];
+    const fg = (attr >> 9) & 0x1ff;
+
     // Ensure the link is valid before registering
     if (matcher.validationCallback) {
       matcher.validationCallback(uri, isValid => {
@@ -224,11 +231,11 @@ export class Linkifier extends EventEmitter implements ILinkifier {
           return;
         }
         if (isValid) {
-          this._addLink(offset + index, rowIndex, uri, matcher);
+          this._addLink(offset + index, rowIndex, uri, matcher, fg);
         }
       });
     } else {
-      this._addLink(offset + index, rowIndex, uri, matcher);
+      this._addLink(offset + index, rowIndex, uri, matcher, fg);
     }
 
     // Recursively check for links in the rest of the text
@@ -245,8 +252,9 @@ export class Linkifier extends EventEmitter implements ILinkifier {
    * @param y The row the link is on.
    * @param uri The URI of the link.
    * @param matcher The link matcher for the link.
+   * @param fg The link color for hover event.
    */
-  private _addLink(x: number, y: number, uri: string, matcher: ILinkMatcher): void {
+  private _addLink(x: number, y: number, uri: string, matcher: ILinkMatcher, fg: number): void {
     const x1 = x % this._terminal.cols;
     const y1 = y + Math.floor(x / this._terminal.cols);
     let x2 = (x1 + uri.length) % this._terminal.cols;
@@ -268,17 +276,17 @@ export class Linkifier extends EventEmitter implements ILinkifier {
         window.open(uri, '_blank');
       },
       e => {
-        this.emit(LinkHoverEventTypes.HOVER, this._createLinkHoverEvent(x1, y1, x2, y2));
+        this.emit(LinkHoverEventTypes.HOVER, this._createLinkHoverEvent(x1, y1, x2, y2, fg));
         this._terminal.element.classList.add('xterm-cursor-pointer');
       },
       e => {
-        this.emit(LinkHoverEventTypes.TOOLTIP, this._createLinkHoverEvent(x1, y1, x2, y2));
+        this.emit(LinkHoverEventTypes.TOOLTIP, this._createLinkHoverEvent(x1, y1, x2, y2, fg));
         if (matcher.hoverTooltipCallback) {
           matcher.hoverTooltipCallback(e, uri);
         }
       },
       () => {
-        this.emit(LinkHoverEventTypes.LEAVE, this._createLinkHoverEvent(x1, y1, x2, y2));
+        this.emit(LinkHoverEventTypes.LEAVE, this._createLinkHoverEvent(x1, y1, x2, y2, fg));
         this._terminal.element.classList.remove('xterm-cursor-pointer');
         if (matcher.hoverLeaveCallback) {
           matcher.hoverLeaveCallback();
@@ -293,7 +301,7 @@ export class Linkifier extends EventEmitter implements ILinkifier {
     ));
   }
 
-  private _createLinkHoverEvent(x1: number, y1: number, x2: number, y2: number): ILinkHoverEvent {
-    return { x1, y1, x2, y2, cols: this._terminal.cols };
+  private _createLinkHoverEvent(x1: number, y1: number, x2: number, y2: number, fg: number): ILinkHoverEvent {
+    return { x1, y1, x2, y2, cols: this._terminal.cols, fg };
   }
 }
diff --git a/src/Terminal.ts b/src/Terminal.ts
index c00e6df9..99b5859d 100644
--- a/src/Terminal.ts
+++ b/src/Terminal.ts
@@ -251,7 +251,7 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
 
   private _setup(): void {
     Object.keys(DEFAULT_OPTIONS).forEach((key) => {
-      if (this.options[key] == null) {
+      if (this.options[key] === null || this.options[key] === undefined) {
         this.options[key] = DEFAULT_OPTIONS[key];
       }
     });
@@ -961,9 +961,9 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
       // 1, and 2 - with 64 added
       switch ((<any>ev).overrideType || ev.type) {
         case 'mousedown':
-          button = ev.button != null
+          button = ev.button !== null && ev.button !== undefined
             ? +ev.button
-          : ev.which != null
+          : ev.which !== null && ev.which !== undefined
             ? ev.which - 1
           : null;
 
@@ -1588,7 +1588,7 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
 
     if (ev.charCode) {
       key = ev.charCode;
-    } else if (ev.which == null) {
+    } else if (ev.which === null || ev.which === undefined) {
       key = ev.keyCode;
     } else if (ev.which !== 0 && ev.charCode !== 0) {
       key = ev.which;
@@ -1933,7 +1933,7 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
   public matchColor(r1: number, g1: number, b1: number): number {
     const hash = (r1 << 16) | (g1 << 8) | b1;
 
-    if (matchColorCache[hash] != null) {
+    if (matchColorCache[hash] !== null && matchColorCache[hash] !== undefined) {
       return matchColorCache[hash];
     }
 
diff --git a/src/Types.ts b/src/Types.ts
index ba1a7990..4917c513 100644
--- a/src/Types.ts
+++ b/src/Types.ts
@@ -204,6 +204,7 @@ export interface ILinkHoverEvent {
   x2: number;
   y2: number;
   cols: number;
+  fg: number;
 }
 
 export interface ITerminal extends PublicTerminal, IElementAccessor, IBufferAccessor, ILinkifierAccessor {
diff --git a/src/renderer/LinkRenderLayer.ts b/src/renderer/LinkRenderLayer.ts
index 1e9731f1..8679939a 100644
--- a/src/renderer/LinkRenderLayer.ts
+++ b/src/renderer/LinkRenderLayer.ts
@@ -6,6 +6,7 @@
 import { ILinkHoverEvent, ITerminal, ILinkifierAccessor, LinkHoverEventTypes } from '../Types';
 import { IColorSet, IRenderDimensions } from './Types';
 import { BaseRenderLayer } from './BaseRenderLayer';
+import { INVERTED_DEFAULT_COLOR } from './atlas/Types';
 
 export class LinkRenderLayer extends BaseRenderLayer {
   private _state: ILinkHoverEvent = null;
@@ -39,7 +40,15 @@ export class LinkRenderLayer extends BaseRenderLayer {
   }
 
   private _onLinkHover(e: ILinkHoverEvent): void {
-    this._ctx.fillStyle = this._colors.foreground.css;
+    if (e.fg === INVERTED_DEFAULT_COLOR) {
+      this._ctx.fillStyle = this._colors.background.css;
+    } else if (e.fg < 256) {
+      // 256 color support
+      this._ctx.fillStyle = this._colors.ansi[e.fg].css;
+    } else {
+      this._ctx.fillStyle = this._colors.foreground.css;
+    }
+
     if (e.y1 === e.y2) {
       // Single line link
       this.fillBottomLineAtCells(e.x1, e.y1, e.x2 - e.x1);
diff --git a/src/renderer/atlas/DynamicCharAtlas.ts b/src/renderer/atlas/DynamicCharAtlas.ts
index e919e362..f6df365e 100644
--- a/src/renderer/atlas/DynamicCharAtlas.ts
+++ b/src/renderer/atlas/DynamicCharAtlas.ts
@@ -94,7 +94,7 @@ export default class DynamicCharAtlas extends BaseCharAtlas {
   ): boolean {
     const glyphKey = getGlyphCacheKey(glyph);
     const cacheValue = this._cacheMap.get(glyphKey);
-    if (cacheValue != null) {
+    if (cacheValue !== null && cacheValue !== undefined) {
       this._drawFromCache(ctx, cacheValue, x, y);
       return true;
     } else if (this._canCache(glyph) && this._drawToCacheCount < FRAME_CACHE_DRAW_LIMIT) {
diff --git a/src/renderer/atlas/StaticCharAtlas.ts b/src/renderer/atlas/StaticCharAtlas.ts
index b6de82fc..c0d8a814 100644
--- a/src/renderer/atlas/StaticCharAtlas.ts
+++ b/src/renderer/atlas/StaticCharAtlas.ts
@@ -53,7 +53,7 @@ export default class StaticCharAtlas extends BaseCharAtlas {
     y: number
   ): boolean {
     // we're not warmed up yet
-    if (this._texture == null) {
+    if (this._texture === null || this._texture === undefined) {
       return false;
     }
 
diff --git a/src/utils/MouseHelper.ts b/src/utils/MouseHelper.ts
index f62593eb..15f05742 100644
--- a/src/utils/MouseHelper.ts
+++ b/src/utils/MouseHelper.ts
@@ -11,7 +11,7 @@ export class MouseHelper {
 
   public static getCoordsRelativeToElement(event: {pageX: number, pageY: number}, element: HTMLElement): [number, number] {
     // Ignore browsers that don't support MouseEvent.pageX
-    if (event.pageX == null) {
+    if (event.pageX === null || event.pageX === undefined) {
       return null;
     }
 
diff --git a/tslint.json b/tslint.json
index 2ae39796..5dac55d6 100644
--- a/tslint.json
+++ b/tslint.json
@@ -111,6 +111,7 @@
     "prefer-const-enum": [
       true
     ],
-    "prefer-const": true
+    "prefer-const": true,
+    "triple-equals": true
   }
 }