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
Copper
#b87333
hex
#b87333rgb
rgb(184, 115, 51)hsl
hsl(29, 57%, 46%)oklch
oklch(0.618 0.117 60.4)Relative luminance 0.2269
Colors that go with Copper
Cadet Blue, Charcoal and Steel Blue 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.
Cadet Blue #5f9ea0
split-complementshippedCadet Blue is a split-complement of Copper: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for Copper: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Steel Blue #4682b4
complementaryshippedSteel Blue sits directly opposite Copper on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Champagne #f7e7ce
shipped5 real palettes, including Bramble and Coffee Bar put Champagne beside Copper, as that palette's text colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to Copper in 6 real palettes, including Cider and Clay & Linen, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with Copper: 6 real palettes, including Dusk and Dyson's brand system, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with Copper: 6 real palettes, including Opensea's brand system and Notion's brand system, as the lead colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with Copper: 4 real palettes, including Chipotle's brand system and Newsprint, as the lead colour.
Real palettes that use Copper
Tints & shades
Harmonies
Contrast
| Copper as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.79:1 | fail | pass | fail | |
Aaon black | 5.54:1 | pass | 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 Copper 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
Copper reads as warm. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around Copper
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 #b87333 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/b87333-c4b49c-62cbcb-2d2c1f-f1e9e9?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