Color

#caf41f

#caf41f
hex#caf41f
rgbrgb(202, 244, 31)
hslhsl(72, 91%, 54%)
oklchoklch(0.905 0.213 121.6)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7736

Colors that go with #caf41f

Blue, Crimson and Red 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 →

#4a1ff4

#f4b41f · #5ff41f

#1fcaf4 · #f41fca

Split-complementary

Open in tool →

#1f5ff4 · #b41ff4

#1ff4b4 · #4a1ff4 · #f41f5f

Contrast

#caf41f as textRatioAAAA largeAAAFix
Aaon white
1.27:1failfailfail
  • AA: use #667f06 as the text (4.56:1)
  • AAA: use #4b5d04 as the text (7.33:1)
  • AA: or shift the background to #666666 (4.5:1)
  • AAA: or shift the background to #474747 (7.29:1)
Aaon black
16.47:1passpasspassPasses 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 #caf41f 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 #caf41f
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 #caf41f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/caf41f-b5bea2-4e77df-242d1f-f1efe9?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