add comment with URL of web colors

diff --git a/web/static/seepark_web.js b/web/static/seepark_web.js
index 48685e0..debc736 100644 (file)
--- a/web/static/seepark_web.js
+++ b/web/static/seepark_web.js
@@ -20,6 +20,7 @@ function dayschart(element, title, days, xtickformat) {
                                        '0316a2193bff': 'Wassertemperatur in 4 m Tiefe'
                                },
                                xFormat: '%Y-%m-%d %H:%M:%S',
+                               // https://en.wikipedia.org/wiki/Web_colors
                                colors: {
                                        '0416a1ac66ff': 'lightskyblue',
                                        '0516a207a4ff': 'royalblue',