Halcyon Theme

Name: Halcyon Theme
Author: brittanychiang

Publisher: brittanychiangThemes in package: 1

A dark blue theme for VS Code based on the Ayu Mirage theme

GitHub

VS Code preview

Full workbench mockup using this variant's colors and tokenColors.

Halcyon Theme — Halcyon

fetchUser.ts

index.ts

README.md

main*

Copilot

Ln 5, Col 12

Spaces: 2

UTF-8

TypeScript

Dark+

colors

Workbench UI color keys from the theme JSON colors map.

activityBar.background#171c28
activityBar.border#171c28
activityBar.dropBorder#2f3b5499
activityBar.foreground#96a6cc
activityBar.inactiveForeground#96a6cc99
activityBarBadge.background#ffcc66
activityBarBadge.foreground#171c28
badge.background#ffcc66
badge.foreground#1d2433
breadcrumb.activeSelectionForeground#d7dce2
breadcrumb.background#1d2433
breadcrumb.focusForeground#d7dce2
breadcrumb.foreground#96a6cc
breadcrumbPicker.background#171c28
button.background#ffcc66
button.foreground#171c28
button.hoverBackground#ffcc66cc
button.secondaryBackground#ffcc66
button.secondaryForeground#171c28
debugExceptionWidget.background#171c28
debugExceptionWidget.border#2f3b54
debugToolBar.background#171c28
descriptionForeground#d7dce2
diffEditor.border#2f3b54
diffEditor.insertedTextBackground#bae67e1a
diffEditor.insertedTextBorder#bae67e1a
diffEditor.removedTextBackground#ef6b731a
diffEditor.removedTextBorder#ef6b731a
disabledForeground#96a6cc66
dropdown.background#171c28
dropdown.border#2f3b54
dropdown.foreground#d7dce2
dropdown.listBackground#171c28
editor.background#1d2433
editor.findMatchBackground#96a6cc66
editor.findMatchBorder#ffcc66cc
editor.findMatchHighlightBackground#96a6cc4d
editor.findMatchHighlightBorder#ffcc66cc
editor.findRangeHighlightBackground#96a6cc4d
editor.findRangeHighlightBorder#ffcc6699
editor.foreground#a2aabc
editor.hoverHighlightBackground#96a6cc66
editor.inactiveSelectionBackground#2f3b5499
editor.lineHighlightBackground#2f3b54
editor.placeholder.foreground#96a6cccc
editor.rangeHighlightBackground#2f3b54cc
editor.selectionBackground#2f3b54
editor.selectionForeground#a2aabc
editor.selectionHighlightBackground#2f3b54cc
editor.selectionHighlightBorder#ffcc6699
editor.wordHighlightBackground#96a6cc33
editor.wordHighlightStrongBackground#96a6cc4d
editorBracketMatch.background#96a6cc66
editorBracketMatch.border#ffcc66
editorCodeLens.foreground#d7dce2
editorCursor.foreground#ffcc66
editorError.foreground#ef6b73
editorGroup.border#171c28
editorGroup.dropBackground#2f3b5466
editorGroup.emptyBackground#1d2433
editorGroup.focusedEmptyBorder#1d2433
editorGroupHeader.noTabsBackground#1d2433
editorGroupHeader.tabsBackground#171c28
editorGroupHeader.tabsBorder#171c28
editorGutter.addedBackground#bae67e
editorGutter.background#1d2433
editorGutter.deletedBackground#ef6b73
editorGutter.modifiedBackground#5ccfe6
editorHint.foreground#ffcc66
editorHoverWidget.background#171c28
editorHoverWidget.border#2f3b54
editorIndentGuide.activeBackground1#96a6cc99
editorIndentGuide.background1#96a6cc33
editorInfo.foreground#5ccfe6
editorInlayHint.background#171c28
editorInlayHint.foreground#96a6cc
editorLineNumber.activeForeground#d7dce2
editorLineNumber.foreground#96a6cc66
editorLink.activeForeground#ffcc66
editorMarkerNavigation.background#171c28
editorMarkerNavigationError.background#ef6b73
editorMarkerNavigationInfo.background#5ccfe6
editorMarkerNavigationWarning.background#ffcc66
editorMultiCursor.primary.foreground#ffcc66
editorMultiCursor.secondary.foreground#ffcc66cc
editorOverviewRuler.addedForeground#bae67e
editorOverviewRuler.border#2f3b54
editorOverviewRuler.bracketMatchForeground#ffcc66
editorOverviewRuler.commonContentForeground#2f3b54
editorOverviewRuler.currentContentForeground#5ccfe6
editorOverviewRuler.deletedForeground#ef6b73
editorOverviewRuler.errorForeground#ef6b73
editorOverviewRuler.findMatchForeground#ffcc66cc
editorOverviewRuler.incomingContentForeground#bae67e
editorOverviewRuler.infoForeground#5ccfe6
editorOverviewRuler.modifiedForeground#5ccfe6
editorOverviewRuler.rangeHighlightForeground#96a6cccc
editorOverviewRuler.selectionHighlightForeground#96a6cccc
editorOverviewRuler.warningForeground#ffd580
editorOverviewRuler.wordHighlightForeground#2f3b54cc
editorOverviewRuler.wordHighlightStrongForeground#96a6cccc
editorPane.background#1d2433
editorRuler.foreground#2f3b54
editorSuggestWidget.background#171c28
editorSuggestWidget.border#2f3b54
editorSuggestWidget.foreground#d7dce2
editorSuggestWidget.highlightForeground#ffcc66
editorSuggestWidget.selectedBackground#1d2433
editorWarning.foreground#ffd580
editorWhitespace.foreground#96a6cc99
editorWidget.background#171c28
editorWidget.border#171c28
errorForeground#ef6b73
extensionButton.prominentBackground#ffcc66
extensionButton.prominentForeground#1d2433
extensionButton.prominentHoverBackground#ffcc6699
focusBorder#96a6cc33
foreground#96a6cc
gitDecoration.conflictingResourceForeground#ef6b73
gitDecoration.deletedResourceForeground#ef6b73
gitDecoration.ignoredResourceForeground#96a6cc66
gitDecoration.modifiedResourceForeground#5ccfe6
gitDecoration.untrackedResourceForeground#bae67e
gitlens.trailingLineForegroundColor#96a6cc
input.background#1d2433
input.border#2f3b54
input.foreground#d7dce2
input.placeholderForeground#96a6cccc
inputOption.activeBackground#96a6cc4d
inputOption.activeBorder#2f3b54
inputOption.hoverBackground#96a6cc33
inputValidation.errorBackground#1d2433
inputValidation.errorBorder#ef6b73
inputValidation.errorForeground#ef6b73
inputValidation.infoBackground#1d2433
inputValidation.infoBorder#5ccfe6
inputValidation.infoForeground#5ccfe6
inputValidation.warningBackground#1d2433
inputValidation.warningBorder#ffd580
inputValidation.warningForeground#ffd580
list.activeSelectionBackground#2f3b54
list.activeSelectionForeground#d7dce2
list.dropBackground#2f3b5499
list.errorForeground#ef6b73
list.focusBackground#2f3b54
list.focusForeground#d7dce2
list.highlightForeground#ffcc66
list.hoverBackground#2f3b54
list.hoverForeground#d7dce2
list.inactiveFocusBackground#2f3b54
list.inactiveSelectionBackground#2f3b54
list.inactiveSelectionForeground#d7dce2
list.invalidItemForeground#ef6b73
list.warningForeground#ffd580
listFilterWidget.background#2f3b54
listFilterWidget.noMatchesOutline#ef6b73
listFilterWidget.outline#2f3b54
menu.background#171c28
menu.foreground#96a6cc
menu.selectionBackground#2f3b54
menu.selectionForeground#d7dce2
menubar.selectionBackground#2f3b54
menubar.selectionForeground#d7dce2
merge.border#96a6cc
merge.commonContentBackground#2f3b5466
merge.commonHeaderBackground#2f3b5499
merge.currentContentBackground#5ccfe633
merge.currentHeaderBackground#5ccfe699
merge.incomingContentBackground#bae67e33
merge.incomingHeaderBackground#bae67e99
notificationCenter.border#171c28
notificationCenterHeader.background#171c28
notificationCenterHeader.foreground#d7dce2
notificationLink.foreground#d7dce2
notifications.background#171c28
notifications.border#171c28
notifications.foreground#d7dce2
notificationToast.border#171c28
panel.background#171c28
panel.border#1d2433
panel.dropBorder#2f3b54
panelInput.border#96a6cc
panelSection.border#2f3b54
panelSection.dropBackground#2f3b54
panelSectionHeader.background#1d2433
panelSectionHeader.foreground#ffcc66
panelTitle.activeBorder#ffcc66
panelTitle.activeForeground#d7dce2
panelTitle.inactiveForeground#96a6cc
peekView.border#ffcc66
peekViewEditor.background#171c28
peekViewEditor.matchHighlightBackground#96a6cc
peekViewEditor.matchHighlightBorder#ffcc66
peekViewEditorGutter.background#1d2433
peekViewResult.background#171c28
peekViewResult.fileForeground#d7dce2
peekViewResult.lineForeground#96a6cc
peekViewResult.matchHighlightBackground#ffcc6633
peekViewResult.selectionBackground#2f3b54
peekViewResult.selectionForeground#d7dce2
peekViewTitle.background#1d2433
peekViewTitleDescription.foreground#d7dce2
peekViewTitleLabel.foreground#d7dce2
pickerGroup.border#2f3b54
pickerGroup.foreground#ffcc66
progressBar.background#ffcc66
quickInput.background#171c28
quickInput.foreground#96a6cc
scrollbar.shadow#0e1219
scrollbarSlider.activeBackground#96a6cccc
scrollbarSlider.background#96a6cc66
scrollbarSlider.hoverBackground#96a6cc99
search.resultsInfoForeground#d7dce2
selection.background#96a6cc33
settings.checkboxBackground#171c28
settings.checkboxBorder#2f3b54
settings.checkboxForeground#d7dce2
settings.dropdownBackground#171c28
settings.dropdownBorder#2f3b54
settings.dropdownForeground#d7dce2
settings.dropdownListBorder#2f3b54
settings.headerForeground#d7dce2
settings.modifiedItemIndicator#5ccfe6
settings.numberInputBackground#171c28
settings.numberInputBorder#2f3b54
settings.numberInputForeground#d7dce2
settings.textInputBackground#171c28
settings.textInputBorder#2f3b54
settings.textInputForeground#d7dce2
sideBar.background#171c28
sideBar.dropBackground#2f3b5466
sideBar.foreground#96a6cc
sideBarSectionHeader.background#1d2433
sideBarSectionHeader.border#171c28
sideBarSectionHeader.foreground#ffcc66
sideBarTitle.foreground#ffcc66
statusBar.background#171c28
statusBar.border#171c28
statusBar.debuggingBackground#171c28
statusBar.debuggingForeground#96a6cc
statusBar.foreground#96a6cc
statusBar.noFolderBackground#171c28
statusBar.noFolderForeground#96a6cc
statusBarItem.activeBackground#2f3b54
statusBarItem.hoverBackground#1d2433
statusBarItem.remoteBackground#171c28
statusBarItem.remoteForeground#96a6cc
tab.activeBackground#1d2433
tab.activeBorder#ffcc66
tab.activeForeground#d7dce2
tab.border#171c28
tab.hoverBackground#2f3b5499
tab.inactiveBackground#171c28
tab.unfocusedActiveBorder#ffcc6699
tab.unfocusedActiveForeground#d7dce266
tab.unfocusedHoverBackground#2f3b5499
tab.unfocusedInactiveForeground#d7dce266
terminal.ansiBlack#2f3b54
terminal.ansiBlue#5ccfe6
terminal.ansiBrightBlack#444a5e
terminal.ansiBrightBlue#5ccfe6
terminal.ansiBrightCyan#5ccfe6
terminal.ansiBrightGreen#bae67e
terminal.ansiBrightMagenta#c3a6ff
terminal.ansiBrightRed#ef6b73
terminal.ansiBrightWhite#a2aabc
terminal.ansiBrightYellow#ffcc66
terminal.ansiCyan#5ccfe6
terminal.ansiGreen#bae67e
terminal.ansiMagenta#c3a6ff
terminal.ansiRed#ef6b73
terminal.ansiWhite#a2aabc
terminal.ansiYellow#ffcc66
terminal.background#171c28
terminal.border#171c28
terminal.foreground#a2aabc
terminal.selectionBackground#96a6cc33
terminalCursor.background#ffcc66
terminalCursor.foreground#ffcc66
textBlockQuote.background#2f3b54
textBlockQuote.border#2f3b54
textCodeBlock.background#1d2433
textLink.activeForeground#ffcc66cc
textLink.foreground#ffcc66
textPreformat.foreground#d7dce2
titleBar.activeBackground#171c28
titleBar.activeForeground#d7dce2
titleBar.border#171c28
titleBar.inactiveBackground#171c28
titleBar.inactiveForeground#96a6cc
tree.indentGuidesStroke#2f3b54
walkThrough.embeddedEditorBackground#171c28
widget.shadow#0e1219

tokenColors

TextMate scopes and font styles (syntax highlighting rules).

scope	foreground	fontStyle
	#a2aabc	—
comment, punctuation.definition.comment	#96a6cc99	italic
variable, string constant.other.placeholder, source	#a2aabc	—
constant.other.color, punctuation.definition.entity, constant.character.entity, punctuation.definition.template-expression, punctuation.section.tag.twig	#c3a6ff	—
invalid, invalid.illegal	#ef6b73	—
keyword, storage.type, storage.modifier, constant.numeric, constant.language, support.constant, constant.character, constant.escape	#c3a6ff	—
punctuation, punctuation.definition.tag, punctuation.separator.inheritance.php, punctuation.definition.tag.html, punctuation.section.embedded, keyword.other.template, keyword.other.substitution, meta.brace, meta.block, meta.jsx, meta.embedded.expression, meta.template.expression, meta.tag.block.any.html, string.unquoted.tag-string.nunjucks, text.html.nunjucks	#a2aabc	—
punctuation.separator.key-value.html, keyword.control, keyword.operator, constant.other.color, punctuation.definition.constant, meta.function.block.start.handlebars, meta.function.inline.other, meta.property-value, support.constant.mathematical-symbols, support.constant.vendored.property-value, punctuation.definition.keyword, punctuation.accessor, punctuation.separator.property, string.unquoted.filter-pipe	#ffae57	—
entity.name.tag, meta.tag.sgml, markup.deleted.git_gutter, support.variable.dom, meta.import, meta.export, meta.export.default, support.class.builtin, support.class.component, variable.other.object	#5ccfe6	—
entity.name.function, variable.function, support.function, keyword.other.special-method, meta.function-call, keyword.control.filter	#ffd580	—
meta.block variable.other	#a2aabc	—
variable.parameter, text.html, punctuation.section.property-list, meta.property-value.scss punctuation, meta.property-list, keyword.operator.type.annotation, variable.other.object.property	#a2aabc	—
string, constant.other.symbol, constant.other.key, markup.heading, markup.inserted.git_gutter, meta.group.braces.curly constant.other.object.key.js string.unquoted.label.js, punctuation.definition.string, entity.name.section.markdown, meta.attribute-selector, entity.name.import.go, storage.type.attr.nunjucks	#bae67e	—
entity.name, support.type, support.orther.namespace.use.php, meta.use.php, support.other.namespace.php, markup.changed.git_gutter, support.type.sys-types, meta.object-literal.key	#ffd580	—
support.class, keyword.other.debugger, entity.other.inherited-class, meta.property-name, punctuation.definition.raw.markdown, variable.graphql, variable.other.readwrite	#5ccfe6	—
source.css support.type.property-name, source.sass support.type.property-name, source.scss support.type.property-name, source.less support.type.property-name, source.stylus support.type.property-name, source.postcss support.type.property-name, support.type.property-name, support.variable.object.node, support.variable.object.process	#5ccfe6	—
entity.name.module.js, variable.import.parameter.js	#ef6b73	—
variable.language	#5ccfe6	italic
entity.name.method.js	#5ccfe6	italic
meta.class-method.js entity.name.function.js, variable.function.constructor	#5ccfe6	—
entity.other.attribute-name	#ffae57	—
text.html.basic entity.other.attribute-name.html, text.html.basic entity.other.attribute-name	#ffae57	—
entity.other.attribute-name.class, punctuation.definition.entity.css	#ffae57	—
source.sass keyword.control	#5ccfe6	—
markup.inserted	#bae67e	—
markup.deleted	#ef6b73	—
markup.changed	#c3a6ff	—
string.regexp	#ffae57	—
constant.character.escape	#5ccfe6	—
url, link, uri	—	underline
meta.decorator, tag.decorator.js entity.name.tag, tag.decorator.js punctuation.definition.tag	#5ccfe6	—
source.js constant.other.object.key.js string.unquoted.label.js	#ef6b73	italic
source.json meta.structure.dictionary.json support.type.property-name.json	#5ccfe6	—
source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json	#5ccfe6	—
source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json	#ffae57	—
source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json	#5ccfe6	—
source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json	#ffae57	—
source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json	#5ccfe6	—
source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json	#ffae57	—
source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json	#5ccfe6	—
source.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json meta.structure.dictionary.value.json meta.structure.dictionary.json support.type.property-name.json	#ffae57	—
markup.italic	#ef6b73	italic
markup.bold	#ef6b73	bold
markup.underline	#c3a6ff	underline
markup.strike	#ffcc66	italic
markup.quote	#5ccfe6	italic
markup.raw.block	#ffae57	—
markup.table	#5ccfe6	—
text.html.markdown, punctuation.definition.list_item.markdown	#a2aabc	—
text.html.markdown markup.raw.inline, text.html.markdown markup.inline.raw.string.markdown	#5ccfe6	—
text.html.markdown meta.dummy.line-break	#a2aabc	—
markdown.heading, markup.heading, markup.heading entity.name, markup.heading.markdown, punctuation.definition.heading.markdown	#bae67e	—
markup.quote, punctuation.definition.blockquote.markdown	#5ccfe6	italic
string.other.link.title.markdown	#ffcc66	underline
markup.raw.block.fenced.markdown	#d7dce2	—
punctuation.definition.fenced.markdown, variable.language.fenced.markdown	#a2aabc	—
variable.language.fenced.markdown	#a2aabc
meta.separator	#a2aabc
token.info-token	#5ccfe6	—
token.warn-token	#ffcc66	—
token.error-token	#ef6b73	—
token.debug-token	#c3a6ff	—
storage.type.error.go	#5ccfe6	—
punctuation.other.period.go	#ffae57	—

Shiki preview

TypeScript sample highlighted with this variant's colors and tokenColors.

export interface User {
  id: string;
  name: string;
  role: "admin" | "member";
  tags: string[];
}

/**
 * Fetch user data by ID
 * @param id  
 * @returns User object or null if ID is invalid
 */
export async function fetchUser(id: string): Promise<User | null> {
  if (!id) {
    return null;
  }

  const response = await fetch(`/api/users/${id}`, {
    method: "GET",
    headers: { Accept: "application/json" },
  });

  if (!response.ok) {
    throw new Error(`HTTP ${response.status}`);
  }

  return (await response.json()) as User;
}

function greet(user: User): string {
  // Simple greeting function that uses the user's name
  return `Hello, ${user.name}!`;
}