Color
#66bcdb
#66bcdbrgb(102, 188, 219)hsl(196, 62%, 63%)oklch(0.753 0.094 223.8)Colors that go with #66bcdb
Charcoal, Dark Salmon and Amber 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 #66bcdb: softer than #000 and cool enough to feel like part of the same palette.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #66bcdb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #66bcdb in 4 real palettes, including Blueprint and Salesforce's brand system, as the accent.
Blush Pink #e8b4b8
shipped4 real palettes, including Nursery and Estate put Blush Pink beside #66bcdb, as the lead colour.
Dark Orange #ff8c00
shippedDark Orange shows up next to #66bcdb in 4 real palettes, including PayPal's brand system and Learning App, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #66bcdb: 4 real palettes, including Coca-Cola's brand system and Open House, as the accent.
Midnight Blue #191970
shipped8 real palettes, including First Snow and Confluent's brand system put Midnight Blue beside #66bcdb, as the text colour against it.
Periwinkle #ccccff
shippedPeriwinkle shows up next to #66bcdb in 4 real palettes, including Mistral AI's brand system and Calendly's brand system, as the accent.
Real palettes that use #66bcdb
Tints & shades
Harmonies
Contrast
| #66bcdb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.15:1 | fail | fail | fail | |
Aaon black | 9.78:1 | 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 #66bcdb as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#66bcdb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
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 #66bcdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/66bcdb-9cb5c4-df4e6e-1f232d-e9f1ef?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