Color
#669899
#669899rgb(102, 152, 153)hsl(181, 20%, 50%)oklch(0.645 0.053 197.5)Colors that go with #669899
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 #669899: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
split-complementshippedCopper is a split-complement of #669899: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blush Pink #e8b4b8
shipped4 real palettes, including Estate and Rain Garden put Blush Pink beside #669899, as the accent.
Crimson #dc143c
shippedCrimson is paired with #669899 in 5 real palettes, including Diner and Retro Pop, as the lead colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #669899 in 4 real palettes, including Clay & Linen and Oatmeal, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #669899: 10 real palettes, including Dusk and Peacock, as the lead colour.
Midnight Blue #191970
shipped9 real palettes, including Tide Pool and Ford's brand system put Midnight Blue beside #669899, as that palette's text colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #669899: 4 real palettes, including Ink Wash and Stone, as the lead colour.
Real palettes that use #669899
Tints & shades
Harmonies
Contrast
| #669899 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.22:1 | fail | pass | fail | |
Aaon black | 6.52:1 | 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 #669899 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 #669899 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/669899-a2babe-d45992-1f272d-e9f1ed?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