Overleaf/services/web/frontend/js/features/source-editor/themes/cm6/cobalt.json

{
  "theme": {
    ".cm-gutters": {
      "backgroundColor": "transparent",
      "borderRightColor": "transparent",
      "background": "#011e3a",
      "color": "rgb(128,145,160)"
    },
    "&": {
      "backgroundColor": "#002240",
      "color": "#FFFFFF"
    },
    ".cm-cursor, .cm-dropCursor": {
      "color": "#FFFFFF"
    },
    "&.cm-focused > .cm-scroller > .cm-selectionLayer .cm-selectionBackground, .cm-selectionBackground, .cm-content ::selection, .cm-searchMatch.cm-searchMatch.cm-searchMatch-selected": {
      "background": "rgba(179, 101, 57, 0.75)"
    },
    "&.cm-focused .cm-matchingBracket, &.cm-focused .cm-nonmatchingBracket": {
      "margin": 0,
      "outline": "1px solid rgba(255, 255, 255, 0.15)"
    },
    ".cm-activeLine": {
      "background": "rgba(0, 0, 0, 0.35)"
    },
    ".cm-activeLineGutter": {
      "backgroundColor": "rgba(0, 0, 0, 0.35)"
    },
    ".cm-selectionMatch.cm-selectionMatch, .cm-searchMatch.cm-searchMatch": {
      "outline": "1px solid rgba(179, 101, 57, 0.75)",
      "margin": 0
    },
    ".cm-foldPlaceholder": {
      "backgroundColor": "#FF9D00",
      "borderColor": "#FFFFFF"
    }
  },
  "highlightStyle": {
    ".tok-keyword": {
      "color": "#FF9D00"
    },
    ".tok-labelName": {
      "color": "#FF628C"
    },
    ".tok-literal": {
      "color": "#FF628C"
    },
    ".tok-invalid": {
      "color": "#F8F8F8",
      "backgroundColor": "#800F00"
    },
    ".tok-typeName": {
      "color": "#FFEE80"
    },
    ".tok-string": {
      "color": "#3AD900"
    },
    ".tok-regexp": {
      "color": "#80FFC2"
    },
    ".tok-comment": {
      "fontStyle": "italic",
      "color": "#0088FF"
    },
    ".tok-heading": {
      "color": "#C8E4FD",
      "backgroundColor": "#001221"
    },
    ".tok-list": {
      "backgroundColor": "#130D26"
    },
    ".tok-attributeValue": {
      "color": "#CCCCCC"
    },
    ".tok-variableName": {
      "color": "#FF80E1"
    }
  },
  "dark": true
}