Color

#4bc313

#4bc313
hex#4bc313
rgbrgb(75, 195, 19)
hslhsl(101, 82%, 42%)
oklchoklch(0.72 0.222 139)
Closest name: Frog (#58bc08)Relative luminance 0.4057

Colors that go with #4bc313

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 →

#8b13c3

#a3c313 · #13c333

#134bc3 · #c3134b

Split-complementary

Open in tool →

#3313c3 · #c313a3

#13a3c3 · #8b13c3 · #c33313

Contrast

#4bc313 as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #34870d as the text (4.55:1)
  • AAA: use #27660a as the text (7.02:1)
  • AA: or shift the background to #404040 (4.5:1)
  • AAA: or shift the background to #1f1f1f (7.15:1)
Aaon black
9.11:1passpasspassPasses 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 #4bc313 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 #4bc313
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 #4bc313 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bc313-a7bea2-6b4edf-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