Color

#11a643

#11a643
hex#11a643
rgbrgb(17, 166, 67)
hslhsl(140, 81%, 36%)
oklchoklch(0.634 0.18 147.8)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.278

Colors that go with #11a643

Charcoal, Blue and Crimson 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 →

#a61175

#2aa611 · #11a68d

#4311a6 · #a64311

Split-complementary

Open in tool →

#8d11a6 · #a6112a

#112aa6 · #a61175 · #a68d11

Contrast

#11a643 as textRatioAAAA largeAAAFix
Aaon white
3.2:1failpassfail
  • AA: use #0e8636 as the text (4.69:1)
  • AAA: use #0b6629 as the text (7.13:1)
  • AA: or shift the background to #292929 (4.54:1)
Aaon black
6.56:1passpassfail
  • AAA: use #12af47 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11a643 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #11a643
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 #11a643 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11a643-a2beaf-c259d4-1f2d2a-ebf1e9?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