Color

#4bc20f

#4bc20f
hex#4bc20f
rgbrgb(75, 194, 15)
hslhsl(100, 86%, 41%)
oklchoklch(0.718 0.222 138.9)
Closest name: Frog (#58bc08)Relative luminance 0.4011

Colors that go with #4bc20f

Orchid, Hot Pink and Charcoal 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.

Real palettes that use #4bc20f

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#870fc2

#a4c20f · #0fc22d

#0f4bc2 · #c20f4b

Split-complementary

Open in tool →

#2d0fc2 · #c20fa4

#0fa4c2 · #870fc2 · #c22d0f

Contrast

#4bc20f as textRatioAAAA largeAAAFix
Aaon white
2.33:1failfailfail
  • AA: use #33850a as the text (4.67:1)
  • AAA: use #266407 as the text (7.22:1)
  • AA: or shift the background to #3d3d3d (4.67:1)
  • AAA: or shift the background to #1f1f1f (7.08:1)
Aaon black
9.02:1passpasspassPasses 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 #4bc20f 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 #4bc20f
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 #4bc20f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bc20f-a8bea2-694edf-1f2d21-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