Color

#47c421

#47c421
hex#47c421
rgbrgb(71, 196, 33)
hslhsl(106, 71%, 45%)
oklchoklch(0.722 0.22 140)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4093

Colors that go with #47c421

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 →

#9e21c4

#99c421 · #21c44d

#2147c4 · #c42147

Split-complementary

Open in tool →

#4d21c4 · #c42199

#2199c4 · #9e21c4 · #c44d21

Contrast

#47c421 as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #318717 as the text (4.56:1)
  • AAA: use #246411 as the text (7.23:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.04:1)
Aaon black
9.19:1passpasspassPasses 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 #47c421 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 #47c421
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 #47c421 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/47c421-a5bea2-774edf-1f2d22-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