Color

#ac5399

#ac5399
hex#ac5399
rgbrgb(172, 83, 153)
hslhsl(313, 35%, 50%)
oklchoklch(0.575 0.145 336.1)
Closest name: Bermuda Onion (#9d5a8f)Relative luminance 0.1726

Colors that go with #ac5399

Sea Green, Dark Cyan 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#53ac66

#9353ac · #ac536c

#99ac53 · #5399ac

Split-complementary

Open in tool →

#6cac53 · #53ac93

#ac9353 · #53ac66 · #536cac

Contrast

#ac5399 as textRatioAAAA largeAAAFix
Aaon white
4.72:1passpassfail
  • AAA: use #833f74 as the text (7.17:1)
Aaon black
4.45:1failpassfail
  • AA: use #ae569b as the text (4.6:1)
  • AAA: use #c280b3 as the text (7.03:1)
  • AA: or shift the background to #fafafa (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ac5399 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

#ac5399 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ac5399
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 #ac5399 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ac5399-c19fb5-7ecb62-2d1f24-efe9f1?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