Color

#4bbc1a

#4bbc1a
hex#4bbc1a
rgbrgb(75, 188, 26)
hslhsl(102, 76%, 42%)
oklchoklch(0.702 0.212 139)
Closest name: Frog (#58bc08)Relative luminance 0.3754

Colors that go with #4bbc1a

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 →

#8c1abc

#9cbc1a · #1abc3a

#1a4bbc · #bc1a4b

Split-complementary

Open in tool →

#3a1abc · #bc1a9c

#1a9cbc · #8c1abc · #bc3a1a

Contrast

#4bbc1a as textRatioAAAA largeAAAFix
Aaon white
2.47:1failfailfail
  • AA: use #358712 as the text (4.54:1)
  • AAA: use #27630d as the text (7.3:1)
  • AA: or shift the background to #3b3b3b (4.54:1)
  • AAA: or shift the background to #1a1a1a (7.05:1)
Aaon black
8.51:1passpasspassPasses 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 #4bbc1a 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 #4bbc1a
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 #4bbc1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bbc1a-a7bea2-6e4edf-1f2d21-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