Color
#668d8f
#668d8frgb(102, 141, 143)hsl(183, 17%, 48%)oklch(0.615 0.043 200.1)Colors that go with #668d8f
Charcoal, Copper and Blush Pink 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 for #668d8f: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
split-complementshippedCopper is a split-complement of #668d8f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blush Pink #e8b4b8
shippedBlush Pink is paired with #668d8f in 4 real palettes, including Rain Garden and Estate, as the accent — a combination designers have actually shipped, not a computed rotation.
Champagne #f7e7ce
shippedChampagne is paired with #668d8f in 4 real palettes, including Midnight Luxe and Forest Floor, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #668d8f in 6 real palettes, including Diner and Retro Pop, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #668d8f in 7 real palettes, including Peacock and Campus, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
shippedGoldenrod is paired with #668d8f in 5 real palettes, including Noir Beauty and Ledger Dark, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #668d8f in 7 real palettes, including Tide Pool and Plaid's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #668d8f
Tints & shades
Harmonies
Contrast
| #668d8f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.64:1 | fail | pass | fail | |
Aaon black | 5.77:1 | 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 #668d8f as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #668d8f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/668d8f-a2b9be-d4598e-1f262d-e9f1ee?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