color fix

src/app/index.js

@@ -128,7 +128,7 @@ app.route('/api/experiments/running')
                       let inUse = false
                       // Test all active steps
                       for (let n = 0; n < steps.length; n++) {
-                        const step = steps[n]
+                        const step = steps[n].step
                         if (color === stepColors[step]) {
                           inUse = true
                         }