Color

#4fbb11

#4fbb11
hex#4fbb11
rgbrgb(79, 187, 17)
hslhsl(98, 83%, 40%)
oklchoklch(0.701 0.212 138.1)
Closest name: Frog (#58bc08)Relative luminance 0.3724

Colors that go with #4fbb11

Taupe, Orchid 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 →

#7d11bb

#a4bb11 · #11bb28

#114fbb · #bb114f

Split-complementary

Open in tool →

#2811bb · #bb11a4

#11a4bb · #7d11bb · #bb2811

Contrast

#4fbb11 as textRatioAAAA largeAAAFix
Aaon white
2.49:1failfailfail
  • AA: use #3a870d as the text (4.51:1)
  • AAA: use #2a6209 as the text (7.37:1)
  • AA: or shift the background to #3b3b3b (4.51:1)
  • AAA: or shift the background to #1a1a1a (7:1)
Aaon black
8.45:1passpasspassPasses 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 #4fbb11 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 #4fbb11
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 #4fbb11 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fbb11-a9bea2-644edf-1f2d20-f0f1e9?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