Color

#4bbf2b

#4bbf2b
hex#4bbf2b
rgbrgb(75, 191, 43)
hslhsl(107, 63%, 46%)
oklchoklch(0.711 0.209 140)
Closest name: Frog (#58bc08)Relative luminance 0.3893

Colors that go with #4bbf2b

Charcoal, Royal Blue and Taupe 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 →

#9f2bbf

#95bf2b · #2bbf55

#2b4bbf · #bf2b4b

Split-complementary

Open in tool →

#552bbf · #bf2b95

#2b95bf · #9f2bbf · #bf552b

Contrast

#4bbf2b as textRatioAAAA largeAAAFix
Aaon white
2.39:1failfailfail
  • AA: use #34851e as the text (4.65:1)
  • AAA: use #276417 as the text (7.19:1)
  • AA: or shift the background to #3d3d3d (4.54:1)
  • AAA: or shift the background to #1c1c1c (7.13:1)
Aaon black
8.79:1passpasspassPasses 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 #4bbf2b 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 #4bbf2b
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 #4bbf2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bbf2b-a5bea2-7a4edf-1f2d22-eff1e9?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