Color
#666405
#666405rgb(102, 100, 5)hsl(59, 91%, 21%)oklch(0.489 0.104 108.3)Colors that go with #666405
Charcoal, Champagne and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #666405: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Champagne #f7e7ce
shipped6 real palettes, including BrandSweets's brand system and Forest Floor put Champagne beside #666405.
Copper #b87333
shippedDesigners have shipped Copper with #666405: 5 real palettes, including Clay & Linen and Riverbed, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #666405: 5 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #666405: 4 real palettes, including Fireside and Trader Joe's's brand system, as the lead colour.
Royal Blue #4169e1
split-complementshippedRoyal Blue is a split-complement of #666405: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Rust #b7410e
shippedRust shows up next to #666405 in 4 real palettes, including Harvest and Magazine Ochre, as the lead colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #666405: 7 real palettes, including Olive Grove and Homestead, as the supporting colour.
Real palettes that use #666405
Tints & shades
Harmonies
Contrast
| #666405 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.19:1 | pass | pass | fail |
|
Aaon black | 3.39:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #666405 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#666405 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #666405 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/666405-bbbea2-4e96df-272d1f-f1ede9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md