Color
#b173dd
#b173ddrgb(177, 115, 221)hsl(275, 61%, 66%)oklch(0.663 0.163 309.6)Colors that go with #b173dd
Olive Drab, Medium Sea Green 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.
Olive Drab #6b8e23
complementaryOlive Drab sits directly opposite #b173dd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Medium Sea Green #3cb371
split-complementshippedMedium Sea Green is a split-complement of #b173dd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #b173dd in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent — a combination designers have actually shipped, not a computed rotation.
Dark Goldenrod #b8860b
split-complementDark Goldenrod is a split-complement of #b173dd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralCharcoal is the text near-black for #b173dd: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
shippedRoyal Blue is paired with #b173dd in two real palettes: Loom's brand system and Roblox's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #b173dd 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 #b173dd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #b173dd
Tints & shades
Harmonies
Contrast
| #b173dd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.3:1 | fail | pass | fail | |
Aaon black | 6.37:1 | 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 #b173dd 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
#b173dd 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 #b173dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/b173dd-b89cc4-c0cb62-2d1f2d-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