Color
#66a975
#66a975rgb(102, 169, 117)hsl(133, 28%, 53%)oklch(0.676 0.103 150.1)Colors that go with #66a975
Charcoal, Blue and Burlywood 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 #66a975: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped4 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #66a975, as the supporting colour.
Burlywood #deb887
shippedBurlywood is paired with #66a975 in 4 real palettes, including Coastal and Polaroid, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #66a975: 5 real palettes, including Clean Beauty and Riverbed, as the accent.
Cornflower Blue #6495ed
triadicshippedCornflower Blue completes a triad with #66a975 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #66a975 in 5 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #66a975: 4 real palettes, including Spline's brand system and Unity's brand system, as the lead colour.
Midnight Blue #191970
shipped5 real palettes, including Fintech Trust and Telehealth put Midnight Blue beside #66a975, as the text colour against it.
Real palettes that use #66a975
Tints & shades
Harmonies
Contrast
| #66a975 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.8:1 | fail | fail | fail | |
Aaon black | 7.5:1 | 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 #66a975 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 #66a975 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/66a975-a2beab-b84edf-1f2d28-ebf1e9?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