This is my flakeless configuration for macOS using nix
"type" = "yellow"
"constant" = "purple" # TODO
"constant.numeric" = "green"
"constant.character.escape" = "cyan"
"string" = "green"
"string.regexp" = "orange"
"comment" = "grey"
"variable" = "fg"
"variable.builtin" = "orange"
"variable.parameter" = "fg"
"variable.other.member" = "fg"
"label" = "orange"
"punctuation" = "grey"
"punctuation.delimiter" = "grey"
"punctuation.bracket" = "fg"
"keyword" = "purple"
"keyword.directive" = "cyan"
"operator" = "red"
"function" = "blue"
"function.builtin" = "blue"
"function.macro" = "cyan"
"tag" = "yellow"
"namespace" = "red"
"attribute" = "cyan"
"constructor" = "yellow"
"module" = "red"
"special" = "orange"

"markup.heading.marker" = "grey"
"markup.heading.1" = { fg = "purple", modifiers = ["bold"] }
"markup.heading.2" = { fg = "red", modifiers = ["bold"] }
"markup.heading.3" = { fg = "blue", modifiers = ["bold"] }
"markup.heading.4" = { fg = "yellow", modifiers = ["bold"] }
"markup.heading.5" = { fg = "green", modifiers = ["bold"] }
"markup.heading.6" = { fg = "fg", modifiers = ["bold"] }
"markup.list" = "red"
"markup.bold" = { modifiers = ["bold"] }
"markup.italic" = { modifiers = ["italic"] }
"markup.link.url" = { fg = "green", modifiers = ["underlined"] }
"markup.link.text" = "purple"
"markup.quote" = "grey"
"markup.raw" = "green"

"diff.plus" = "green"
"diff.delta" = "orange"
"diff.minus" = "red"

"ui.background" = { bg = "bg0" }
"ui.background.separator" = "grey"
"ui.cursor" = { fg = "bg0", bg = "fg" }
"ui.cursor.match" = { fg = "orange", bg = "diff_yellow" }
"ui.cursor.insert" = { fg = "black", bg = "grey" }
"ui.cursor.select" = { fg = "bg0", bg = "blue" }
"ui.cursorline.primary" = { bg = "bg1" }
"ui.cursorline.secondary" = { bg = "bg1" }
"ui.selection" = { bg = "bg4" }
"ui.linenr" = "grey"
"ui.linenr.selected" = "fg"
"ui.statusline" = { fg = "fg", bg = "bg3" }
"ui.statusline.inactive" = { fg = "grey", bg = "bg1" }
"ui.statusline.normal" = { fg = "bg0", bg = "fg", modifiers = ["bold"] }
"ui.statusline.insert" = { fg = "bg0", bg = "purple", modifiers = ["bold"] }
"ui.statusline.select" = { fg = "bg0", bg = "blue", modifiers = ["bold"] }
"ui.bufferline" = { fg = "grey", bg = "bg1" }
"ui.bufferline.active" = { fg = "fg", bg = "bg4", modifiers = ["bold"] }
"ui.popup" = { fg = "grey", bg = "bg2" }
"ui.window" = { fg = "grey", bg = "bg0" }
"ui.help" = { fg = "fg", bg = "bg2" }
"ui.text" = "fg"
"ui.text.focus" = "green"
"ui.menu" = { fg = "fg", bg = "bg3" }
"ui.menu.selected" = { fg = "bg0", bg = "blue" }
"ui.virtual.whitespace" = { fg = "bg4" }
"ui.virtual.indent-guide" = { fg = "bg4" }
"ui.virtual.ruler" = { bg = "bg2" }

"hint" = "blue"
"info" = "green"
"warning" = "yellow"
"error" = "red"
"diagnostic" = { underline = { style = "line" } }
"diagnostic.hint" = { underline = { color = "blue", style = "dotted" } }
"diagnostic.info" = { underline = { color = "green", style = "dotted" } }
"diagnostic.warning" = { underline = { color = "yellow", style = "curl" } }
"diagnostic.error" = { underline = { color = "red", style = "curl" } }

[palette]

black = "#202023"
bg0 = "#2b2d3a"
bg1 = "#333648"
bg2 = "#363a4e"
bg3 = "#393e53"
bg4 = "#3f445b"
bg_grey = "#7a819d"
bg_red = "#ec7279"
diff_red = "#55393d"
bg_green = "#a0c980"
diff_green = "#394634"
bg_blue = "#6cb6eb"
diff_blue = "#354157"
bg_purple = "#d38aea"
diff_yellow = "#4e432f"
fg = "#c5cdd9"
red = "#ec7279"
orange = "#e59b77" # added for compatibility with `sonokai` scheme
yellow = "#deb974"
green = "#a0c980"
cyan = "#5dbbc1"
blue = "#6cb6eb"
purple = "#d38aea"
grey = "#7e8294"
grey_dim = "#5c6071"