Riverbed
Open in tool →Wet-stone green and pebble grey with a copper accent — an earth palette that leans cool, for outdoor and wellness.
Color
#637464rgb(99, 116, 100)hsl(124, 8%, 42%)oklch(0.54 0.032 146.7)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 is the body-text near-black for #637464: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
6 real palettes, including Forest Floor and Coffee Bar put Champagne beside #637464, as that palette's text colour.
Designers have shipped Copper with #637464: 7 real palettes, including Riverbed and Clay & Linen, as the accent.
Crimson is paired with #637464 in 8 real palettes, including Five Guys's brand system and Netflix's brand system, as the supporting colour.
Designers have shipped Denim with #637464: 9 real palettes, including Campus and Intel's brand system, as the lead colour.
Goldenrod shows up next to #637464 in 7 real palettes, including Mid-Century and Harvest, as the accent.
Medium Sea Green is paired with #637464 in 4 real palettes, including Undergrowth and Indigo SaaS, as the lead colour.
Slate Blue is a split-complement of #637464: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
| #637464 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.98:1 | pass | pass | fail |
|
Aaon black | 4.21:1 | 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 #637464 as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#637464 reads as muted, minimal. 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 #637464 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/637464-a2bea7-a24edf-1f2d26-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