Mattermost dark theme
{
"sidebarBg": "#393939",
"sidebarText": "#d3d0c8",
"sidebarUnreadText": "#d3d0c8",
"sidebarTextHoverBg": "#515151",
"sidebarTextActiveBorder": "#f2777a",
"sidebarTextActiveColor": "#ffffff",
"sidebarHeaderBg": "#2d2d2d",
"sidebarHeaderTextColor": "#d3d0c8",
"onlineIndicator": "#99cc99",
"awayIndicator": "#e0b333",
"dndIndicator": "#f74343",
"mentionBj": "#ffffff",
"mentionColor": "#ffffff",
"centerChannelBg": "#393939",
"centerChannelColor": "#d3d0c8",
"newMessageSeparator": "#f80",
"linkColor": "#2389d7",
"buttonBg": "#26a970",
"buttonColor": "#ffffff",
"errorTextColor": "#aa220d",
"mentionHighlightBg": "#204b64",
"mentionHighlightLink": "#2f81b7",
"codeTheme": "monokai",
"mentionBg": "#66CCCC"
}