Color
#66abb2
#66abb2rgb(102, 171, 178)hsl(186, 33%, 55%)oklch(0.698 0.07 204)Colors that go with #66abb2
Charcoal, Burlywood 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 text near-black for #66abb2: softer than #000 and cool enough to feel like part of the same palette.
Burlywood #deb887
shippedBurlywood is paired with #66abb2 in 4 real palettes, including Polaroid and Coastal, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #66abb2: 4 real palettes, including Dusk and Riverbed, as the accent.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #66abb2 in 5 real palettes, including Oatmeal and Forest Floor, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #66abb2: 6 real palettes, including Open House and Dusk, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #66abb2: 6 real palettes, including Studio Grey and Patreon's brand system, as the accent.
Midnight Blue #191970
shipped9 real palettes, including Open House and Confluent's brand system put Midnight Blue beside #66abb2, as the text colour against it.
Peru #cd853f
split-complementshippedPeru is a split-complement of #66abb2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #66abb2
Tints & shades
Harmonies
Contrast
| #66abb2 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.61:1 | fail | fail | fail | |
Aaon black | 8.03:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66abb2 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 #66abb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/66abb2-a2b8be-df4e86-1f262d-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