Color

#47c309

#47c309
hex#47c309
rgbrgb(71, 195, 9)
hslhsl(100, 91%, 40%)
oklchoklch(0.719 0.225 139.2)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4039

Colors that go with #47c309

Blue, Charcoal and Royal Blue 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 →

#8509c3

#a4c309 · #09c328

#0947c3 · #c30947

Split-complementary

Open in tool →

#2809c3 · #c309a4

#09a4c3 · #8509c3 · #c32809

Contrast

#47c309 as textRatioAAAA largeAAAFix
Aaon white
2.31:1failfailfail
  • AA: use #328806 as the text (4.51:1)
  • AAA: use #256605 as the text (7.04:1)
  • AA: or shift the background to #3d3d3d (4.7:1)
  • AAA: or shift the background to #1f1f1f (7.13:1)
Aaon black
9.08:1passpasspassPasses 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 #47c309 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 #47c309
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 #47c309 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/47c309-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