Color

#6fc43b

#6fc43b
hex#6fc43b
rgbrgb(111, 196, 59)
hslhsl(97, 54%, 50%)
oklchoklch(0.739 0.189 136)
Closest name: Emerald Glitter (#66bb00)Relative luminance 0.4318

Colors that go with #6fc43b

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 →

#903bc4

#b4c43b · #3bc44b

#3b6fc4 · #c43b6f

Split-complementary

Open in tool →

#4b3bc4 · #c43bb4

#3bb4c4 · #903bc4 · #c44b3b

Contrast

#6fc43b as textRatioAAAA largeAAAFix
Aaon white
2.18:1failfailfail
  • AA: use #4a8227 as the text (4.65:1)
  • AAA: use #38621d as the text (7.16:1)
  • AA: or shift the background to #424242 (4.61:1)
  • AAA: or shift the background to #242424 (7.12:1)
Aaon black
9.64:1passpasspassPasses 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 #6fc43b as the background.

Brands using this color

mcpConnect your agent — build around #6fc43b
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 #6fc43b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6fc43b-a9bea2-624edf-1f2d20-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