Color
#b866ea
#b866eargb(184, 102, 234)hsl(277, 76%, 66%)oklch(0.659 0.2 310.7)Colors that go with #b866ea
Olive Drab, Charcoal and Medium Slate Blue 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 #b866ea on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #b866ea: softer than #000 and cool enough to feel like part of the same palette.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue is paired with #b866ea in 3 real palettes, including Obsidian's brand system and monday.com's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Medium Sea Green #3cb371
split-complementMedium Sea Green is a split-complement of #b866ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Dark Goldenrod #b8860b
split-complementDark Goldenrod is a split-complement of #b866ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #b866ea in two real palettes: Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #b866ea in two real palettes: Loom's brand system and Obsidian's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Cadet Blue #5f9ea0
triadicCadet Blue completes a triad with #b866ea — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #b866ea
Tints & shades
Harmonies
Contrast
| #b866ea as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.43:1 | fail | pass | fail | |
Aaon black | 6.13:1 | 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 #b866ea as the background.
Brands using this color
Fonts for this mood
#b866ea 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 #b866ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/b866ea-b99cc4-bdcb62-2d1f2c-eae9f1?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