Color
#66c2ae
#66c2aergb(102, 194, 174)hsl(167, 43%, 58%)oklch(0.751 0.093 177.7)Colors that go with #66c2ae
Charcoal, Light Coral and Crimson 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 #66c2ae: softer than #000 and cool enough to feel like part of the same palette.
Light Coral #f08080
complementaryshippedLight Coral sits directly opposite #66c2ae on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #66c2ae in 4 real palettes, including Tiffany & Co.'s brand system and Riot Games's brand system, as the supporting colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #66c2ae in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Hunter Green #355e3b
shippedHunter Green is paired with #66c2ae in 4 real palettes, including Neon's brand system and Canopy, as the supporting colour.
Midnight Blue #191970
shipped5 real palettes, including Open House and First Snow put Midnight Blue beside #66c2ae, as the text colour against it.
Mustard Yellow #ffdb58
shipped4 real palettes, including Crayon Box and Fresh Juice put Mustard Yellow beside #66c2ae, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #66c2ae in 4 real palettes, including Brilliant's brand system and Khan Academy's brand system, as the accent.
Real palettes that use #66c2ae
Tints & shades
Harmonies
Contrast
| #66c2ae as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.12:1 | fail | fail | fail | |
Aaon black | 9.89:1 | 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 #66c2ae 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 #66c2ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/66c2ae-a2bebb-d459af-1f2a2d-e9f1ec?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