Color

#4cf349

#4cf349
hex#4cf349
rgbrgb(76, 243, 73)
hslhsl(119, 88%, 62%)
oklchoklch(0.847 0.249 142.8)
Closest name: Becquerel (#4bec13)Relative luminance 0.6612

Colors that go with #4cf349

Violet, Deep Sky Blue and Hot Pink 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 →

#f149f3

#a1f349 · #49f39b

#494cf3 · #f3494c

Split-complementary

Open in tool →

#9b49f3 · #f349a1

#49a1f3 · #f149f3 · #f39b49

Contrast

#4cf349 as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #0b8609 as the text (4.74:1)
  • AAA: use #086506 as the text (7.31:1)
  • AA: or shift the background to #5c5c5c (4.53:1)
  • AAA: or shift the background to #404040 (7.02:1)
Aaon black
14.22:1passpasspassPasses 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 #4cf349 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 #4cf349
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 #4cf349 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4cf349-a2bea5-964edf-1f2d25-edf1e9?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