Color

#acf406

#acf406
hex#acf406
rgbrgb(172, 244, 6)
hslhsl(78, 95%, 49%)
oklchoklch(0.886 0.231 128.1)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7349

Colors that go with #acf406

Violet, Charcoal and 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d06f4

#f4c406 · #36f406

#06acf4 · #f406ac

Split-complementary

Open in tool →

#0636f4 · #c406f4

#06f4c4 · #4d06f4 · #f40636

Contrast

#acf406 as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #5b8103 as the text (4.58:1)
  • AAA: use #435e02 as the text (7.39:1)
  • AA: or shift the background to #616161 (4.63:1)
  • AAA: or shift the background to #454545 (7.17:1)
Aaon black
15.7:1passpasspassPasses 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 #acf406 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #acf406
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 #acf406 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/acf406-b2bea2-4e69df-232d1f-f1f0e9?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