Color
#51641b
#51641brgb(81, 100, 27)hsl(76, 57%, 25%)oklch(0.472 0.1 122.9)Colors that go with #51641b
Charcoal, Royal Blue and Blue Violet 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 #51641b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
split-complementshippedRoyal Blue is a split-complement of #51641b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue Violet #8a2be2
complementaryshippedBlue Violet sits directly opposite #51641b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Warp's brand system and Rolex's brand system put Blue beside #51641b, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #51641b: 4 real palettes, including Clay & Linen and Desert Road, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #51641b in 5 real palettes, including Five Guys's brand system and Netflix's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #51641b: 5 real palettes, including Xbox's brand system and Intel's brand system, as the supporting colour.
Rust #b7410e
shippedRust shows up next to #51641b in 4 real palettes, including Trailhead and Magazine Ochre, as the lead colour.
Real palettes that use #51641b
Tints & shades
Harmonies
Contrast
| #51641b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.59:1 | pass | pass | fail |
|
Aaon black | 3.19:1 | 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 #51641b 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
#51641b reads as dark, luxury, bold. 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 #51641b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/51641b-b3bea2-4e6edf-232d1f-f1efe9?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