Color

#43c601

#43c601
hex#43c601
rgbrgb(67, 198, 1)
hslhsl(100, 99%, 39%)
oklchoklch(0.726 0.231 139.5)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4158

Colors that go with #43c601

Blue, Charcoal 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 →

#8401c6

#a5c601 · #01c622

#0143c6 · #c60143

Split-complementary

Open in tool →

#2201c6 · #c601a5

#01a5c6 · #8401c6 · #c62201

Contrast

#43c601 as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #2c8401 as the text (4.76:1)
  • AAA: use #226501 as the text (7.17:1)
  • AA: or shift the background to #404040 (4.6:1)
  • AAA: or shift the background to #212121 (7.14:1)
Aaon black
9.32:1passpasspassPasses 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 #43c601 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 #43c601
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 #43c601 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43c601-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