Color

#c681ef

#c681ef
hex#c681ef
rgbrgb(198, 129, 239)
hslhsl(278, 77%, 72%)
oklchoklch(0.716 0.168 311.7)
Closest name: Illicit Purple (#bf77f6)Relative luminance 0.3394

Colors that go with #c681ef

Emerald Green, Amber and Medium Sea Green 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 →

#a9ef81

#8f81ef · #ef81e0

#efc681 · #81efc6

Split-complementary

Open in tool →

#e0ef81 · #81ef8f

#ef8f81 · #a9ef81 · #81e0ef

Contrast

#c681ef as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #aa41e6 as the text (4.56:1)
  • AAA: use #8419c2 as the text (7.24:1)
  • AA: or shift the background to #333333 (4.69:1)
  • AAA: or shift the background to #0f0f0f (7.11:1)
Aaon black
7.79:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c681ef 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

#c681ef reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c681ef
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 #c681ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c681ef-ba9cc4-bbcb62-2d1f2c-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