A slightly modified JSON version of Darkmatter colour scheme for Sublime Text 4, based on https://github.com/patrickemuller/Sublime-Darkmatter-Theme

Darkmatter2.sublime-color-scheme

{
	"name": "Darkmatter2",
	"globals":
	{
		"background": "#14191f",
		"caret": "#F8F8F0",
		"foreground": "#aec2e0",
		"invisibles": "#3B3A32",
		"lineHighlight": "#1b232c",
		"selection": "#183c66",
		"findHighlight": "#FFE792",
		"findHighlightForeground": "#000000",
		"selectionBorder": "#183c66",
		"activeGuide": "#9D550FB0",
		"bracketsForeground": "#F8F8F2A5",
		"bracketsOptions": "underline",
		"bracketContentsForeground": "#F8F8F2A5",
		"bracketContentsOptions": "underline",
		"tagsOptions": "stippled_underline"
	},
	"rules":[
	{
		"name": "Comment",
		"scope": "comment",
		"foreground": "#516a88"
	},
	{
		"name": "String",
		"scope": "string",
		"foreground": "#6ee2ff"
	},
	{
		"name": "Number",
		"scope": "constant.numeric",
		"foreground": "#6ee2ff"
	},
	{
		"name": "Built-in constant",
		"scope": "constant.language",
		"foreground": "#6ee2ff"
	},
	{
		"name": "User-defined constant",
		"scope": "constant.character, constant.other",
		"foreground": "#4cbbff"
	},
	{
		"name": "Variable",
		"scope": "variable",
		"foreground": "#d0dfe6"
	},
	{
		"name": "Keyword",
		"scope": "keyword",
		"foreground": "#748aa6"
	},
	{
		"name": "Storage",
		"scope": "storage",
		"font_style": "",
		"foreground": "#ffffff"
	},
	{
		"name": "Storage type",
		"scope": "storage.type",
		"font_style": "italic",
		"foreground": "#267fb5"
	},
	{
		"name": "Class name",
		"scope": "entity.name.class",
		"font_style": "",
		"foreground": "#95CC5E"
	},
	{
		"name": "Inherited class",
		"scope": "entity.other.inherited-class",
		"font_style": "italic underline",
		"foreground": "#95CC5E"
	},
	{
		"name": "Function name",
		"scope": "entity.name.function",
		"font_style": "",
		"foreground": "#effbff"
	},
	{
		"name": "Function argument",
		"scope": "variable.parameter",
		"font_style": "italic",
		"foreground": "#95CC5E"
	},
	{
		"name": "Tag name",
		"scope": "entity.name.tag",
		"font_style": "",
		"foreground": "#ffffff"
	},
	{
		"name": "Tag attribute",
		"scope": "entity.other.attribute-name",
		"font_style": "",
		"foreground": "#7a9bc2"
	},
	{
		"name": "Library function",
		"scope": "support.function",
		"font_style": "",
		"foreground": "#267fb5"
	},
	{
		"name": "Library constant",
		"scope": "support.constant",
		"font_style": "",
		"foreground": "#267fb5"
	},
	{
		"name": "Library class/type",
		"scope": "support.type, support.class",
		"font_style": "italic",
		"foreground": "#267fb5"
	},
	{
		"name": "Library variable",
		"scope": "support.other.variable",
		"font_style": ""
	},
	{
		"name": "Invalid",
		"scope": "invalid",
		"background": "#00A8C6",
		"font_style": "",
		"foreground": "#F8F8F0"
	},
	{
		"name": "Invalid deprecated",
		"scope": "invalid.deprecated",
		"background": "#8FBE00",
		"foreground": "#F8F8F0"
	},
	{
		"name": "JSON String",
		"scope": "meta.structure.dictionary.json string.quoted.double.json",
		"foreground": "#CFCFC2"
	},
	{
		"name": "diff.header",
		"scope": "meta.diff, meta.diff.header",
		"foreground": "#75715E"
	},
	{
		"name": "diff.deleted",
		"scope": "markup.deleted",
		"foreground": "#00A8C6"
	},
	{
		"name": "diff.inserted",
		"scope": "markup.inserted",
		"foreground": "#A6E22E"
	},
	{
		"name": "diff.changed",
		"scope": "markup.changed",
		"foreground": "#E6DB74"
	},
	{
		"scope": "constant.numeric.line-number.find-in-files - match",
		"foreground": "#8FBE00A0"
	},
	{
		"scope": "entity.name.filename.find-in-files",
		"foreground": "#E6DB74"
	}, 
	{
		"scope": "punctuation.definition.heading.markdown, markup.heading.2.markdown, markup.heading.3.markdown, markup.heading.markdown",
		"foreground": "#267fb5"
	},
	{
		"scope": "markup.heading.1.markdown",
		"font_style": "underline bold",
		"foreground": "#267fb5"
	},
	{
		"name": "Block code",
		"scope": "markup.raw.block.markdown, markup.raw.block.fenced.markdown, markup.raw.inline.content.markdown, punctuation.definition.raw.markdown",
		"foreground": "#4cbbff"
	},
	{
		"scope": "markup.italic.markdown, markup.bold.markdown, markup.bold_italic.markdown",
		"foreground": "#748aa6"
	},
	{
		"scope": "markup.italic.markdown",
		"font_style": "italic"
	},
	{
		"scope": "markup.bold.markdown",
		"font_style": "bold"
	},
	{
		"scope": "markup.bold_italic.markdown",
		"font_style": "bold italic"
	},
	{
		"scope": "punctuation.definition.metadata, markup.underline.link, punctuation.definition.string.begin, punctuation.definition.string.end",
		"foreground": "#516a88"
	},
	{
		"scope": "string.other.link.title.markdown, string.other.link.description.markdown",
		"foreground": "#aec2e0"
	},
	{
		"scope": "markup.quote.markdown",
		"foreground": "#d0dfe6"
	}],
}