Color

#b559d9

#b559d9
hex#b559d9
rgbrgb(181, 89, 217)
hslhsl(283, 63%, 60%)
oklchoklch(0.628 0.2 315.4)
Closest name: mediumorchid (#ba55d3)Relative luminance 0.2198

Colors that go with #b559d9

Olive Drab, Charcoal and Denim 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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7dd959

#7559d9 · #d959bd

#d9b559 · #59d9b5

Split-complementary

Open in tool →

#bdd959 · #59d975

#d97559 · #7dd959 · #59bdd9

Contrast

#b559d9 as textRatioAAAA largeAAAFix
Aaon white
3.89:1failpassfail
  • AA: use #ad48d5 as the text (4.5:1)
  • AAA: use #8828af as the text (7.07:1)
  • AA: or shift the background to #171717 (4.61:1)
Aaon black
5.4:1passpassfail
  • AAA: use #c47ae1 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b559d9 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

#b559d9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b559d9
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b559d9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b559d9-bb9fc1-b2cb62-2d1f2b-ebe9f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md