Color
#a661cc
#a661ccrgb(166, 97, 204)hsl(279, 51%, 59%)oklch(0.614 0.168 312.2)Colors that go with #a661cc
Olive Drab, Sea Green and Charcoal 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.
Olive Drab #6b8e23
complementaryOlive Drab sits directly opposite #a661cc on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #a661cc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #a661cc: softer than #000 and cool enough to feel like part of the same palette.
Taupe #483c32
shippedTaupe is paired with #a661cc in 3 real palettes, including Loom's brand system and Obsidian's brand system, as that palette's text colour.
Olive Green #808000
split-complementOlive Green is a split-complement of #a661cc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #a661cc in two real palettes: Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #a661cc in two real palettes: ClickUp's brand system and Klarna US's brand system, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #a661cc: two real palettes: Calm's brand system and Blueprint, as the lead colour.
Real palettes that use #a661cc
Tints & shades
Harmonies
Contrast
| #a661cc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.04:1 | fail | pass | fail | |
Aaon black | 5.2:1 | 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 #a661cc 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
#a661cc reads as cool, modern. 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 #a661cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/a661cc-b99fc1-b9cb62-2d1f2c-ebe9f1?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