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
#657666
#657666
hex
#657666rgb
rgb(101, 118, 102)hsl
hsl(124, 8%, 43%)oklch
oklch(0.547 0.032 146.7)Closest name: Ecological (#677f70)Relative luminance 0.1668
Colors that go with #657666
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 body-text near-black for #657666: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Champagne #f7e7ce
shippedChampagne is paired with #657666 in 7 real palettes, including Forest Floor and Coffee Bar, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
shippedCopper is paired with #657666 in 7 real palettes, including Riverbed and Wellness, as the accent — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #657666 in 8 real palettes, including Five Guys's brand system and Netflix's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #657666 in 9 real palettes, including Campus and Intel's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Dodger Blue #1e90ff
shippedDodger Blue is paired with #657666 in 4 real palettes, including Miro's brand system and Notion's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Firebrick #b22222
shippedFirebrick is paired with #657666 in 4 real palettes, including Newsprint and Fireside, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Slate Blue #6a5acd
split-complementshippedSlate Blue is a split-complement of #657666: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #657666
Tints & shades
Harmonies
Contrast
| #657666 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.84:1 | pass | pass | fail |
|
Aaon black | 4.34:1 | 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 #657666 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
#657666 reads as muted, minimal. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #657666
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 #657666 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/657666-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