Color

#40c606

#40c606
hex#40c606
rgbrgb(64, 198, 6)
hslhsl(102, 94%, 40%)
oklchoklch(0.725 0.231 139.9)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4149

Colors that go with #40c606

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 →

#8c06c6

#a0c606 · #06c62c

#0640c6 · #c60640

Split-complementary

Open in tool →

#2c06c6 · #c606a0

#06a0c6 · #8c06c6 · #c62c06

Contrast

#40c606 as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #2b8604 as the text (4.65:1)
  • AAA: use #206303 as the text (7.37:1)
  • AA: or shift the background to #404040 (4.59:1)
  • AAA: or shift the background to #212121 (7.13:1)
Aaon black
9.3:1passpasspassPasses 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 #40c606 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 #40c606
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 #40c606 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40c606-a7bea2-6e4edf-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