Color

#4bfb54

#4bfb54
hex#4bfb54
rgbrgb(75, 251, 84)
hslhsl(123, 96%, 64%)
oklchoklch(0.868 0.251 143.7)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7113

Colors that go with #4bfb54

Violet, Hot Pink and Plum 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 →

#fb4bf3

#9afb4b · #4bfbac

#544bfb · #fb544b

Split-complementary

Open in tool →

#ac4bfb · #fb4b9a

#4b9afb · #fb4bf3 · #fbac4b

Contrast

#4bfb54 as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #038709 as the text (4.69:1)
  • AAA: use #026407 as the text (7.42:1)
  • AA: or shift the background to #5e5e5e (4.7:1)
  • AAA: or shift the background to #424242 (7.29:1)
Aaon black
15.23:1passpasspassPasses 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 #4bfb54 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 #4bfb54
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 #4bfb54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bfb54-a2bea6-a04edf-1f2d26-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