diff --git a/package-lock.json b/package-lock.json
index 076db17..c44c674 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vizart-basic",
-  "version": "2.0.8",
+  "version": "2.1.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -252,6 +252,7 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2",
         "longest": "1.0.1",
@@ -1707,7 +1708,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
@@ -1935,9 +1936,9 @@
       "integrity": "sha512-ii0/r5f4sjKNTfh84Di+DpztYwqKhEyUlKoPrzUFfeSkWxjW49xU2QzO9qrPrNkpdI0XJkfzvmTu8V2Zylln6A=="
     },
     "d3-color": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.2.3.tgz",
-      "integrity": "sha512-x37qq3ChOTLd26hnps36lexMRhNXEtVxZ4B25rL0DVdDsGQIJGB18S7y9XDwlDD6MD/ZBzITCf4JjGMM10TZkw=="
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-3.1.0.tgz",
+      "integrity": "sha512-zg/chbXyeBtMQ1LbD/WSoW2DpC3I0mpmPdW+ynRTj/x2DAWYrIY7qeZIHidozwV24m4iavr15lNwIwLxRmOxhA=="
     },
     "d3-dispatch": {
       "version": "1.0.5",
@@ -1969,6 +1970,13 @@
       "integrity": "sha512-NlNKGopqaz9qM1PXh9gBF1KSCVh+jSFErrSlD/4hybwoNX/gt1d8CDbDW+3i+5UOHhjC6s6nMvRxcuoMVNgL2w==",
       "requires": {
         "d3-color": "1.2.3"
+      },
+      "dependencies": {
+        "d3-color": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.2.3.tgz",
+          "integrity": "sha512-x37qq3ChOTLd26hnps36lexMRhNXEtVxZ4B25rL0DVdDsGQIJGB18S7y9XDwlDD6MD/ZBzITCf4JjGMM10TZkw=="
+        }
       }
     },
     "d3-path": {
@@ -2013,6 +2021,13 @@
       "requires": {
         "d3-color": "1.2.3",
         "d3-interpolate": "1.3.2"
+      },
+      "dependencies": {
+        "d3-color": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.2.3.tgz",
+          "integrity": "sha512-x37qq3ChOTLd26hnps36lexMRhNXEtVxZ4B25rL0DVdDsGQIJGB18S7y9XDwlDD6MD/ZBzITCf4JjGMM10TZkw=="
+        }
       }
     },
     "d3-selection": {
@@ -2057,6 +2072,13 @@
         "d3-interpolate": "1.3.2",
         "d3-selection": "1.3.2",
         "d3-timer": "1.0.9"
+      },
+      "dependencies": {
+        "d3-color": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.2.3.tgz",
+          "integrity": "sha512-x37qq3ChOTLd26hnps36lexMRhNXEtVxZ4B25rL0DVdDsGQIJGB18S7y9XDwlDD6MD/ZBzITCf4JjGMM10TZkw=="
+        }
       }
     },
     "d3-voronoi": {
@@ -2387,7 +2409,7 @@
     },
     "estree-walker": {
       "version": "0.2.1",
-      "resolved": "http://registry.npmjs.org/estree-walker/-/estree-walker-0.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-0.2.1.tgz",
       "integrity": "sha1-va/oCVOD2EFNXcLs9MkXO225QS4=",
       "dev": true
     },
@@ -2604,7 +2626,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.1.1",
@@ -2655,7 +2678,8 @@
         "balanced-match": {
           "version": "0.4.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "bcrypt-pbkdf": {
           "version": "1.0.1",
@@ -2670,6 +2694,7 @@
           "version": "0.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "inherits": "2.0.3"
           }
@@ -2678,6 +2703,7 @@
           "version": "2.10.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -2686,6 +2712,7 @@
           "version": "1.1.7",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "0.4.2",
             "concat-map": "0.0.1"
@@ -2694,7 +2721,8 @@
         "buffer-shims": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "caseless": {
           "version": "0.12.0",
@@ -2711,12 +2739,14 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "combined-stream": {
           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "delayed-stream": "1.0.0"
           }
@@ -2724,17 +2754,20 @@
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "cryptiles": {
           "version": "2.0.5",
@@ -2780,7 +2813,8 @@
         "delayed-stream": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "delegates": {
           "version": "1.0.0",
@@ -2806,7 +2840,8 @@
         "extsprintf": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "forever-agent": {
           "version": "0.6.1",
@@ -2828,12 +2863,14 @@
         "fs.realpath": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "fstream": {
           "version": "1.0.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "graceful-fs": "4.1.11",
             "inherits": "2.0.3",
@@ -2889,6 +2926,7 @@
           "version": "7.1.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "fs.realpath": "1.0.0",
             "inflight": "1.0.6",
@@ -2901,7 +2939,8 @@
         "graceful-fs": {
           "version": "4.1.11",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "har-schema": {
           "version": "1.0.5",
@@ -2940,7 +2979,8 @@
         "hoek": {
           "version": "2.16.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "http-signature": {
           "version": "1.1.1",
@@ -2957,6 +2997,7 @@
           "version": "1.0.6",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "once": "1.4.0",
             "wrappy": "1.0.2"
@@ -2965,7 +3006,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.4",
@@ -2977,6 +3019,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -2990,7 +3033,8 @@
         "isarray": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "isstream": {
           "version": "0.1.2",
@@ -3063,12 +3107,14 @@
         "mime-db": {
           "version": "1.27.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mime-types": {
           "version": "2.1.15",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "mime-db": "1.27.0"
           }
@@ -3077,6 +3123,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.7"
           }
@@ -3084,12 +3131,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3142,7 +3191,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "oauth-sign": {
           "version": "0.8.2",
@@ -3160,6 +3210,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -3189,7 +3240,8 @@
         "path-is-absolute": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "performance-now": {
           "version": "0.2.0",
@@ -3200,7 +3252,8 @@
         "process-nextick-args": {
           "version": "1.0.7",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "punycode": {
           "version": "1.4.1",
@@ -3238,6 +3291,7 @@
           "version": "2.2.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "buffer-shims": "1.0.0",
             "core-util-is": "1.0.2",
@@ -3282,6 +3336,7 @@
           "version": "2.6.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "glob": "7.1.2"
           }
@@ -3289,7 +3344,8 @@
         "safe-buffer": {
           "version": "5.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "semver": {
           "version": "5.3.0",
@@ -3347,6 +3403,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -3357,6 +3414,7 @@
           "version": "1.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.0.1"
           }
@@ -3371,6 +3429,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -3385,6 +3444,7 @@
           "version": "2.2.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "block-stream": "0.0.9",
             "fstream": "1.0.11",
@@ -3440,7 +3500,8 @@
         "util-deprecate": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "uuid": {
           "version": "3.0.1",
@@ -3469,7 +3530,8 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4200,7 +4262,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "loose-envify": {
       "version": "1.3.1",
@@ -6006,7 +6069,7 @@
       "dependencies": {
         "jsesc": {
           "version": "0.5.0",
-          "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
           "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
           "dev": true
         }
@@ -6313,7 +6376,7 @@
     },
     "rollup-pluginutils": {
       "version": "1.5.2",
-      "resolved": "http://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz",
       "integrity": "sha1-HhVud4+UtyVb+hs9AXi+j1xVJAg=",
       "dev": true,
       "requires": {
@@ -6769,6 +6832,13 @@
         "d3-transition": "1.1.3",
         "d3-voronoi": "1.1.4",
         "lodash-es": "4.17.11"
+      },
+      "dependencies": {
+        "d3-color": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.2.3.tgz",
+          "integrity": "sha512-x37qq3ChOTLd26hnps36lexMRhNXEtVxZ4B25rL0DVdDsGQIJGB18S7y9XDwlDD6MD/ZBzITCf4JjGMM10TZkw=="
+        }
       }
     },
     "whet.extend": {
diff --git a/package.json b/package.json
index 873018a..3562bc4 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "d3-brush": "^1.0.6",
     "d3-chord": "^1.0.6",
     "d3-collection": "^1.0.7",
-    "d3-color": "^1.2.3",
+    "d3-color": "^3.1.0",
     "d3-ease": "^1.0.5",
     "d3-format": "^1.3.2",
     "d3-interpolate": "^1.3.2",