We use Mattermost (free alternative for Slack) and Slack day by day. We love to use beautiful and useful products, so here’s our Mattermost and Slack dark theme that we love and use day by day.
Here’s how it looks like:
Mattermost:
{"sidebarBg":"#11072b","sidebarText":"#dbdbdb","sidebarUnreadText":"#ffffff","sidebarTextHoverBg":"#6272a4","sidebarTextActiveBorder":"#6378ff","sidebarTextActiveColor":"#8be9fd","sidebarHeaderBg":"#080218","sidebarHeaderTextColor":"#ffffff","onlineIndicator":"#50fa7b","awayIndicator":"#e0b333","dndIndicator":"#f74343","mentionBj":"#ffffff","mentionColor":"#ffffff","centerChannelBg":"#191031","centerChannelColor":"#bdbdc5","newMessageSeparator":"#f80","linkColor":"#00eeda","buttonBg":"#ff5381","buttonColor":"#ffffff","errorTextColor":"#fd5960","mentionHighlightBg":"#29009d","mentionHighlightLink":"#fff","codeTheme":"b-mind","mentionBg":"#FF5555"}