Color
#3f663d
#3f663drgb(63, 102, 61)hsl(117, 25%, 32%)oklch(0.47 0.078 143.1)Colors that go with #3f663d
Charcoal, Copper and Crimson 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 #3f663d: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Copper #b87333
shippedDesigners have shipped Copper with #3f663d: 4 real palettes, including Clay & Linen and Desert Road, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #3f663d in 6 real palettes, including Gemstone and Five Guys's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #3f663d: 6 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #3f663d in 6 real palettes, including Subaru's brand system and GitHub's brand system, as the supporting colour.
Rust #b7410e
shippedRust shows up next to #3f663d in 4 real palettes, including Trailhead and Magazine Ochre, as the lead colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #3f663d: 7 real palettes, including Pine & Birch and Olive Grove, as the supporting colour.
Dark Orchid #9932cc
complementaryDark Orchid sits directly opposite #3f663d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #3f663d
Tints & shades
Harmonies
Contrast
| #3f663d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.61:1 | pass | pass | fail |
|
Aaon black | 3.18:1 | 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 #3f663d as the background.
Brands using this color
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 #3f663d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3f663d-a2bea4-924edf-1f2d25-edf1e9?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