Initial commit

LICENSE

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+MIT License
+
+Copyright (c) 2025 Nicholas McDaniel
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Coral.nvim
+
+Coral is a theme built off of three primary colors, coral, blue, and gray.
+
+## Screenshot
+![image](https://github.com/user-attachments/assets/763220c3-16fd-4726-97dc-af515cc9a6e0)

colors/coral.lua

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+require('coral').load()

lua/coral/colors.lua

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+local colors = {
+  -- Coral pink colors
+  coral0 = '#AA6666',
+  coral1 = '#C39393',
+  coral2 = '#D5B3B3',
+
+  -- Blue-gray colors
+  blue0 = '#535F76',
+  blue1 = '#868F9F',
+  blue2 = '#BABFC8',
+
+  gray0 = '#444444',
+  gray1 = '#696969',
+  gray2 = '#818181',
+  gray3 = '#b4b4b4',
+  gray4 = '#d9d9d9',
+
+  -- Mainly used for error/warn/info
+  green = '#71995f',
+  red = '#B94343',
+  orange = '#FF8E61',
+  yellow = '#FDDB76',
+  special = '#6f92d4',
+
+  -- UI
+  bg0 = '#060605',
+  bg1 = '#100f0e',
+  bg2 = '#272626'
+}
+
+local M = {}
+
+function M.setup(config)
+  config = config or {}
+  return vim.tbl_extend('force', colors, config.override_colors or {})
+end
+
+return M

lua/coral/highlights/init.lua

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+local M = {}
+
+function M.setup(theme, config)
+  config = config or {}
+
+  local highlights = {}
+  for _, highlight in ipairs({ 'nvim', 'treesitter', 'lsp', 'plugins' }) do
+    local mod = require('coral.highlights.' .. highlight)
+    for hl, spec in pairs(mod.setup(theme, config)) do
+      highlights[hl] = spec
+    end
+  end
+
+  return highlights
+end
+
+function M.apply(highlights)
+  for hl, spec in pairs(highlights) do
+    vim.api.nvim_set_hl(0, hl, spec)
+  end
+end
+
+return M

lua/coral/highlights/lsp.lua

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+local M = {}
+
+function M.setup(theme, config)
+  config = config or {}
+
+  local res = {
+    ['@lsp.type.comment'] = { link = '@comment' },
+
+    ['@lsp.type.decorator'] = { link = '@attribute' },
+    ['@lsp.typemod.decorator.defaultLibrary'] = { link = '@attribute.builtin' },
+
+    ['@lsp.type.enumMember'] = { link = '@constant' },
+    ['@lsp.type.enumMember.defaultLibrary'] = { link = '@constant.builtin' },
+
+    ['@lsp.type.function'] = { link = '@function' },
+    ['@lsp.typemod.function.definition'] = { link = '@function.definition' },
+    ['@lsp.typemod.function.defaultLibrary'] = { link = '@function.builtin' },
+
+    ['@lsp.type.keyword'] = { link = '@keyword' },
+
+    ['@lsp.type.macro'] = { link = '@constant.macro' },
+
+    ['@lsp.type.method'] = { link = '@function.method' },
+
+    -- modifier?
+
+    ['@lsp.type.namespace'] = { link = '@module' },
+    ['@lsp.typemod.namespace.defaultLibrary'] = { link = '@module.builtin' },
+
+    ['@lsp.type.number'] = { link = '@number' },
+
+    ['@lsp.type.operator'] = { link = '@operator' },
+
+    ['@lsp.type.parameter'] = { link = '@variable.parameter' },
+
+    ['@lsp.type.property'] = { link = '@variable.member' },
+
+    ['@lsp.type.regexp'] = { link = '@string.regexp' },
+
+    ['@lsp.type.string'] = { link = '@string' },
+
+    ['@lsp.type.typeParameter'] = { link = '@type' }, -- TODO: Determine accuracy
+
+    ['@lsp.type.variable'] = { link = '@variable' },
+    ['@lsp.typemod.variable.defaultLibrary'] = { link = '@variable.builtin' }
+  }
+
+
+  -- Standard type definitions
+  local standardTypes = { 'class', 'enum', 'event', 'interface', 'struct', 'type' }
+  for _, ty in ipairs(standardTypes) do
+    res['@lsp.type.' .. ty] = { link = '@type' }
+    res['@lsp.typemod.' .. ty .. '.definition'] = { link = '@type.definition' }
+    res['@lsp.typemod.' .. ty .. '.defaultLibrary'] = { link = '@type.builtin' }
+
+    res['@lsp.typemod.' .. ty .. '.deprecated'] = { fg = theme.syntax.deprecated }
+  end
+
+  return res
+end
+
+return M

lua/coral/highlights/nvim.lua

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+local M = {}
+
+function M.setup(theme, _config)
+  return {
+    Normal = { bg = theme.ui.bg1, fg = theme.ui.fg2 },
+    Title = { fg = theme.ui.fg4 },
+    Whitespace = { fg = theme.ui.fg0 },
+
+    Identifier = { link = '@type' },
+    Function = { link = '@function.call' },
+    Type = { link = '@type' },
+    Variable = { link = '@variable' },
+    Statement = { link = '@keyword' },
+    Special = { fg = theme.keyword_special },
+    Keyword = { link = '@keyword' },
+    Conditional = { link = '@keyword' },
+    Repeat = { link = '@keyword' },
+    Label = { link = 'Special' },
+    Exception = { link = 'Special' },
+    PreProc = { link = '@keyword' },
+
+    Constant = { link = '@constant' },
+    String = { link = '@string' },
+    Character = { link = '@string' },
+    Number = { link = '@number' },
+    Boolean = { link = '@boolean' },
+    Float = { link = '@number.float' },
+
+    Quote = { link = '@string' },
+    Operator = { link = '@punctuation' },
+    Delimiter = { link = '@punctuation' },
+    MatchParen = { link = '@punctuation' },
+
+    Todo = { link = '@comment.todo' },
+    Question = { link = '@comment.note' },
+    Comment = { link = '@comment' },
+    SpecialComment = { link = '@comment' },
+
+
+    NonText = { fg = theme.ui.fg3 },
+
+    SignColumn = { bg = theme.ui.bg0, fg = theme.ui.fg1 },
+    ColorColumn = { bg = theme.ui.bg2 },
+
+    CursorLine = { bg = theme.ui.bg2 },
+    CursorColumn = { link = 'CursorLine' },
+
+    LineNr = { fg = theme.ui.fg0 },
+    CursorLineNr = { fg = theme.ui.fg4 },
+
+    Cursor = { fg = theme.ui.bg0, bg = theme.ui.fg0 },
+    lCursor = { link = 'Cursor' },
+    CursorIM = { link = 'Cursor' },
+
+    Search = { fg = theme.search.fg, bg = theme.search.item },
+    CurSearch = { fg = theme.search.fg, bg = theme.search.current },
+    IncSearch = { link = 'CurSearch' },
+    Substitute = { link = 'Search' },
+
+    DiffAdd = { fg = theme.diff.add },
+    DiffDelete = { fg = theme.diff.remove },
+    DiffChange = { fg = theme.diff.change },
+    DiffText = { fg = theme.diff.change },
+
+    diffAdded = { link = 'DiffAdd' },
+    diffRemoved = { link = 'DiffDelete' },
+    diffChanged = { link = 'DiffChange' },
+    diffOldFile = { link = 'DiffDelete' },
+    diffNewFile = { link = 'DiffAdd' },
+
+    Error = { fg = theme.diagnostic.error },
+    ModeMsg = { fg = theme.diagnostic.info },
+    MoreMsg = { fg = theme.diagnostic.info },
+    MsgArea = { fg = theme.diagnostic.info },
+    ErrorMsg = { fg = theme.diagnostic.error },
+    WarningMsg = { fg = theme.diagnostic.warn },
+    NvimInternalError = { fg = theme.diagnostic.error },
+    healthError = { fg = theme.diagnostic.error },
+    healthSuccess = { fg = theme.diagnostic.ok },
+    healthWarning = { fg = theme.diagnostic.warn },
+
+    StatusLine = { fg = theme.ui.fg3, bg = theme.ui.bg2 },
+    StatusLineNC = { fg = theme.ui.fg2, bg = theme.ui.bg1 },
+
+    SpellBad = { undercurl = true, sp = theme.diagnostic.error },
+    SpellCap = { undercurl = true, sp = theme.diagnostic.warn },
+    SpellLocal = { undercurl = true, sp = theme.diagnostic.warn },
+    SpellRare = { undercurl = true, sp = theme.diagnostic.warn },
+
+    DiagnosticError = { fg = theme.diagnostic.error },
+    DiagnosticWarn = { fg = theme.diagnostic.warn },
+    DiagnosticInfo = { fg = theme.diagnostic.info },
+    DiagnosticHint = { fg = theme.diagnostic.info },
+    DiagnosticOk = { fg = theme.diagnostic.ok },
+
+    DiagnosticVirtualTextError = { link = 'DiagnosticError' },
+    DiagnosticVirtualTextWarn = { link = 'DiagnosticWarn' },
+    DiagnosticVirtualTextInfo = { link = 'DiagnosticInfo' },
+    DiagnosticVirtualTextHint = { link = 'DiagnosticHint' },
+
+    DiagnosticFloatingError = { link = 'DiagnosticError' },
+    DiagnosticFloatingWarn = { link = 'DiagnosticWarn' },
+    DiagnosticFloatingInfo = { link = 'DiagnosticInfo' },
+    DiagnositcFloatingHint = { link = 'DiagnosicHint' },
+    DiagnosticFloatingOk = { link = 'DiagnosticOk' },
+
+    DiagnositcSignError = { fg = theme.diagnostic.error },
+    DiagnosticSignWarn = { fg = theme.diagnostic.warn },
+    DiagnosticSignInfo = { fg = theme.diagnostic.info },
+    DiagnosticSignHint = { fg = theme.diagnostic.info },
+  }
+end
+
+return M

lua/coral/highlights/plugins.lua

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+local M = {}
+
+function M.setup(theme)
+  return {
+    -- GitSigns
+    GitSignsAdd = { fg = theme.diff.add },
+    GitSignsChange = { fg = theme.diff.change },
+    GitSignsDelete = { fg = theme.diff.remove },
+  }
+end
+
+return M

lua/coral/highlights/treesitter.lua

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+local M = {}
+
+function M.setup(theme, config)
+  config = config or {}
+
+  local syntax = theme.syntax
+  local diff = theme.diff
+
+  return {
+    ['@variable'] = { fg = syntax.variable },
+    ['@variable.builtin'] = { fg = syntax.builtin },
+    ['@variable.parameter'] = { fg = syntax.parameter },
+    ['@variable.parameter.builtin'] = { link = '@variable.builtin' },
+    ['@variable.member'] = { fg = syntax.property },
+
+    ['@constant'] = { fg = syntax.constant },
+    ['@constant.builtin'] = { fg = syntax.builtin },
+    ['@constant.macro'] = { fg = syntax.macro },
+
+    ['@module'] = { fg = syntax.module },
+    ['@module.builtin'] = { link = '@module' },
+
+    ['@label'] = { fg = syntax.keyword_special },
+
+    ['@string'] = { fg = syntax.string },
+    ['@string.documentation'] = { fg = syntax.string_special },
+    ['@string.escape'] = { fg = syntax.string_special },
+    ['@string.regexp'] = { fg = syntax.string_special },
+    ['@string.special'] = { fg = syntax.string_special },
+
+    ['@character'] = { fg = syntax.string },
+    ['@character.special'] = { fg = syntax.string_special },
+
+    ['@boolean'] = { fg = syntax.primitive },
+    ['@number'] = { fg = syntax.primitive },
+    ['@number.float'] = { link = '@number' },
+
+    ['@type'] = { fg = syntax.type },
+    ['@type.builtin'] = { fg = syntax.builtin_type },
+    ['@type.definition'] = { fg = syntax.type_definition },
+
+    ['@property'] = { fg = syntax.property },
+
+    ['@attribute'] = { fg = syntax.property },
+    ['@attribute.builtin'] = { link = '@attribute' },
+
+    ['@function'] = { fg = syntax.function_definition },
+    ['@function.builtin'] = { fg = syntax.builtin },
+    ['@function.call'] = { fg = syntax.function_call },
+    ['@function.macro'] = { fg = syntax.macro },
+    ['@function.method'] = { link = '@function' },
+    ['@function.method.call'] = { link = '@function.call' },
+
+    ['@constructor'] = { fg = syntax.function_definition },
+
+    ['@operator'] = { fg = syntax.punctuation },
+
+    ['@keyword'] = { fg = syntax.keyword },
+    ['@keyword.return'] = { fg = syntax.keyword_special },
+    ['@keyword.exception'] = { fg = syntax.keyword_special },
+    ['@keyword.debug'] = { fg = syntax.keyword_special },
+    ['@keyword.directive'] = { fg = syntax.keyword_special },
+    ['@keyword.directive.define'] = { link = '@keyword.directive' },
+
+    ['@punctuation'] = { fg = syntax.punctuation },
+    ['@punctuation.delimiter'] = { link = '@punctuation' },
+    ['@punctuation.bracket'] = { link = '@punctuation' },
+    ['@punctuation.special'] = { link = '@punctuation' },
+
+    ['@comment'] = { fg = syntax.comment },
+    ['@comment.documentation'] = { fg = syntax.comment },
+
+    ['@comment.error'] = { fg = syntax.comment_error },
+    ['@comment.warning'] = { fg = syntax.comment_warn },
+    ['@comment.todo'] = { fg = syntax.comment_todo },
+    ['@comment.note'] = { fg = syntax.comment_note },
+
+    -- TODO: More complete markup support
+    ['@markup'] = {},
+
+    ['@diff.plus'] = { fg = diff.add },
+    ['@diff.minus'] = { fg = diff.remove },
+    ['@diff.delta'] = { fg = diff.change },
+
+    ['@tag'] = { fg = syntax.type },
+    ['@tag.builtin'] = { fg = syntax.builtin },
+    ['@tag.attribute'] = { fg = syntax.property },
+    ['@tag.delimiter'] = { fg = syntax.punctuation }
+  }
+end
+
+return M;

lua/coral/init.lua

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+local M = {}
+
+M.config = {
+  undercurl = true,
+  commentStyle = { italic = true }
+}
+
+M.load = function()
+  if vim.g.colors_name then
+    vim.cmd('hi clear')
+  end
+
+  vim.g.colors_name = 'coral'
+  vim.o.termguicolors = true
+
+  local colors = require('coral.colors').setup(M.config)
+  local theme = require('coral.themes').setup(colors, M.config)
+  local highlights = require('coral.highlights').setup(theme, M.config)
+
+  require('coral.highlights').apply(highlights)
+end
+
+return M

lua/coral/themes.lua

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+local M = {}
+
+function M.setup(color, config)
+  config = config or {}
+
+  local theme = {}
+
+  theme.syntax = {
+    builtin = color.blue0,
+    variable = color.gray2,
+    parameter = color.gray4,
+    constant = color.blue1,
+    macro = color.coral2,
+    module = color.blue2,
+    primitive = color.blue1,
+    punctuation = color.gray1,
+    comment = color.gray0,
+
+    type = color.blue1,
+    type_definition = color.blue1,
+    builtin_type = color.blue0,
+
+    property = color.gray3,
+
+    string = color.coral1,
+    string_special = color.coral2,
+
+    function_definition = color.coral2,
+    function_call = color.coral2,
+
+    keyword = color.coral0,
+    -- Used for important control flow: return, throw, labels
+    keyword_special = color.special,
+
+    deprecated = color.gray1,
+
+    -- Used for FIXME/TODO/NOTE comments
+    comment_error = color.red,
+    comment_warn = color.orange,
+    comment_todo = color.yellow,
+    comment_note = color.blue2,
+  }
+
+  theme.diff = {
+    add = color.green,
+    remove = color.red,
+    change = color.orange
+  }
+
+  theme.ui = {
+    bg0 = color.bg0,
+    bg1 = color.bg1,
+    bg2 = color.bg2,
+
+    fg0 = color.gray0,
+    fg1 = color.gray1,
+    fg2 = color.gray2,
+    fg3 = color.gray3,
+    fg4 = color.gray4
+  }
+
+  theme.search = {
+    fg = color.gray0,
+    item = color.coral0,
+    current = color.coral2
+  }
+
+  theme.diagnostic = {
+    error = color.red,
+    warn = color.yellow,
+    info = color.blue2,
+    ok = color.green
+  }
+
+  theme.special = color.special
+
+  return theme
+end
+
+return M