First commit.

Signed-off-by: Chen Xiao <abigwc@gmail.com>

client/node_modules/khroma/test/methods/complement.js

@@ -0,0 +1,25 @@
+
+/* IMPORT */
+
+import {describe} from 'fava';
+import {complement} from '../../dist/index.js';
+
+/* MAIN */
+
+describe ( 'complement', it => {
+
+  it ( 'gets the complement of the color', t => {
+
+    const tests = [
+      ['#6b717f', 'hsl(42, 8.547008547%, 45.8823529412%)'],
+      ['#d2e1dd', 'hsl(344, 20%, 85.2941176471%)'],
+      ['#036', 'hsl(30, 100%, 20%)']
+    ];
+
+    tests.forEach ( ([ color, output ]) => {
+      t.is ( complement ( color ), output );
+    });
+
+  });
+
+});