Lumen

A theme for deep work, lit by natural warmth.

Lumen is built for long, focused creative sessions. Green as earth, amber as light, ivory as breath.

It emphasizes calm, muted tones, clean whitespace, and sharp corners over roundness to maintain clarity without visual noise. The color palette is gentle yet expressive, aiming to reduce eye strain over 20+ hour work sessions.

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Core Background Colors

Element	HEX	RGB (0–255)	Description
Background Primary	#1B241B	27, 36, 27	Main surface
Background Secondary	#202C21	32, 44, 33	Panels, sidebars
Background Tertiary	#161E16	22, 30, 22	Depth layers
Background Active	#2A3729	42, 55, 41	Selected state
Background Inactive	#121A12	18, 26, 18	Dimmed state

Core Text Colors

Element	HEX	RGB (0–255)	Description
Text Primary	#E8E3D1	232, 227, 209	Main text
Text Secondary	#B9B39E	185, 179, 158	Labels, metadata
Text Muted	#6C7C6E	108, 124, 110	Comments, hints

UI Elements

Element	HEX	RGB (0–255)	Description
Border	#1E281F	30, 40, 31	Separators
Selection	#334333	51, 67, 51	Highlights
Scrollbar	#465845	70, 88, 69	Scroll indicators

Semantic Colors

Two variants: Soft (blends with theme) and Strong (high visibility)

Color	Soft (HEX)	Soft (RGB, 0-255)	Strong (HEX)	Strong (RGB, 0-255)
Red	#E17860	225, 120, 96	#F05C45	240, 92, 69
Orange (Soft is Accent color)	#E4B463	228, 180, 99	#F5B53C	245, 181, 60
Yellow	#E5C287	229, 194, 135	#FFD67C	255, 214, 124
Green	#98C5A0	152, 197, 160	#78A67E	120, 166, 126
Cyan	#9BC9C3	155, 201, 195	#5FB8B0	95, 184, 176
Blue	#9AAFB8	154, 175, 184	#6B9AB8	107, 154, 184
Purple	#B8A8C9	184, 168, 201	#9B7BB8	155, 123, 184
Magenta	#D4A8B8	212, 168, 184	#C97A9A	201, 122, 154

Syntax / Code Colors

Token	HEX	RGB (0–255)	Description
Keyword	#D8C58E	216, 197, 142	Custom ochre — distinct from all semantics
Function	#BFD5AF	191, 213, 175	Custom sage-green — organic, calm
String	Yellow (Soft)	-	Warm data literal
Number	#D8B06A	216, 176, 106	Custom muted gold — numeric distinction
Type	#D4C99B	212, 201, 155	Custom creamy beige — structural
Constant	Orange (Soft)	-	Signature accent
Parameter	#C8BBA2	200, 187, 162	Custom neutral tan — supporting role
Operator	#A6AF96	166, 175, 150	Custom gray-green — quiet structure
Bracket	Same as Operator	-	-
Comment	Text (Muted)	-	Fades into background

Note: Syntax needs 6 custom colors (ochre, sage-green, gold, beige, tan, gray-green) because code hierarchy requires more nuance than semantic states.

State Colors

State	Color
Error	Red (Strong)
Warning	Yellow (Soft)
Info	Cyan (Soft)
Success	Green (Soft)
Hint	Text (Secondary)

Git / Version Control

Action	Colors
Added	Green (Soft)
Modified	Orange (Soft)
Deleted	Red (Soft)

Focus & Attention

Element	Color
Accent / Important	Orange (Soft)
Cursor	Orange (Soft)
Search Highlight	Selection
Visual Select	Active

Philosophy:
Use semantic colors (Red, Orange, Yellow, etc.) wherever possible. Syntax gets custom tones because code needs precise hierarchy. Everything else maps to the main palette.

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Typography

IBM Plex

• Mono for development tools (Neovim, terminals)
• Sans for interfaces and notes

Its geometry pairs perfectly with the organic calm of this palette — clarity meets warmth.

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Supported Applications

• Alacritty
• Neovim
• Godot 4.x
• Obsidian
• KDE Plasma (Partially)
• Krita

Godot 4.x Setup

1. Open Editor → Editor Settings
2. Navigate to Interface → Theme
3. Update to these values:
   • Base Color: #121A14
   • Accent Color: #E5A94D
   • Contrast: 0.2

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Theme Development Roadmap

• Move away from the purple base from AMBER
• Create Nvim Theme
• Create Obsidian Theme
• Create KDE Theme
• Create OBS Theme
• Create Krita Theme
• Add wallpapers & accent assets

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License

MIT

A theme for deep work, lit by natural warmth.