use more accessible colors

src/components/roomState.js

@@ -2,8 +2,8 @@ import React, { useEffect, useState } from "react"
 
 const roomStateData = {
   loading: { text: "lade…", color: "white" },
-  open: { text: "OFFEN", color: "forestgreen" },
-  closed: { text: "GESCHLOSSEN", color: "firebrick" },
+  open: { text: "OFFEN", color: "#00aa00" },
+  closed: { text: "GESCHLOSSEN", color: "#ee3333" },
 }
 
 export default () => {

src/styles/global.css

@@ -20,9 +20,9 @@ body {
 }
 
 a {
-  color: forestgreen;
+  color: #22bb22;
 }
 
 a:visited {
-  color: mediumorchid;
+  color: #ee66ff;
 }