Color
#666347
#666347rgb(102, 99, 71)hsl(54, 18%, 34%)oklch(0.495 0.042 102.7)Colors that go with #666347
Charcoal, Slate Blue and Champagne 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 #666347: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Slate Blue #6a5acd
complementaryshippedSlate Blue sits directly opposite #666347 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Champagne #f7e7ce
shipped6 real palettes, including BrandSweets's brand system and Forest Floor put Champagne beside #666347.
Copper #b87333
shippedDesigners have shipped Copper with #666347: 6 real palettes, including Clay & Linen and Desert Road, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #666347 in 4 real palettes, including Gemstone and Five Guys's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #666347: 6 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 #666347: 4 real palettes, including Newsprint and Fireside, as the lead colour.
Peru #cd853f
shipped4 real palettes, including Coffee Bar and Woodsmoke put Peru beside #666347, as the lead colour.
Real palettes that use #666347
Tints & shades
Harmonies
Contrast
| #666347 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.1:1 | pass | pass | fail |
|
Aaon black | 3.44:1 | 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 #666347 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
#666347 reads as warm, muted, editorial. 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 #666347 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/666347-bebea2-4ea2df-292d1f-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