Stone
Open in tool →Stone greys with a faint warmth — Tailwind's stone scale used as a whole palette: interfaces that want to disappear.
Color
#b1a5a0
#b1a5a0
hex
#b1a5a0rgb
rgb(177, 165, 160)hsl
hsl(18, 10%, 66%)oklch
oklch(0.731 0.016 44.1)Closest name: Cathedral (#acaaa7)Relative luminance 0.388
Colors that go with #b1a5a0
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 text near-black that reads cleanly against #b1a5a0 without the hard edge of pure #000.
Champagne #f7e7ce
shipped5 real palettes, including Darkroom and Bramble put Champagne beside #b1a5a0, as the surface under it.
Copper #b87333
shippedDesigners have shipped Copper with #b1a5a0: 7 real palettes, including Riverbed and Clean Beauty, as the accent.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #b1a5a0 in 4 real palettes, including Oatmeal and Olive Grove, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #b1a5a0: 4 real palettes, including Open House and Dusk, as the lead colour.
Emerald Green #50c878
shippedEmerald Green is paired with #b1a5a0 in 4 real palettes, including Scale AI's brand system and Ubereats's brand system, as the lead colour.
Hunter Green #355e3b
shippedHunter Green is paired with #b1a5a0 in 5 real palettes, including Pine & Birch and Darkroom, as the lead colour.
Midnight Blue #191970
shipped4 real palettes, including Open House and First Snow put Midnight Blue beside #b1a5a0, as the text colour against it.
Tints & shades
Harmonies
Contrast
| #b1a5a0 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.4:1 | fail | fail | fail | |
Aaon black | 8.76:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b1a5a0 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#b1a5a0 reads as warm, muted, editorial. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #b1a5a0
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #b1a5a0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/b1a5a0-c4ad9c-62cbb8-2d291f-f1e9eb?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