Color

#3aa640

#3aa640
hex#3aa640
rgbrgb(58, 166, 64)
hslhsl(123, 48%, 44%)
oklchoklch(0.641 0.172 144.1)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2854

Colors that go with #3aa640

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 →

#a63aa1

#6ba63a · #3aa676

#403aa6 · #a6403a

Split-complementary

Open in tool →

#763aa6 · #a63a6b

#3a6ba6 · #a63aa1 · #a6763a

Contrast

#3aa640 as textRatioAAAA largeAAAFix
Aaon white
3.13:1failpassfail
  • AA: use #2e8433 as the text (4.7:1)
  • AAA: use #226226 as the text (7.39:1)
  • AA: or shift the background to #2b2b2b (4.52:1)
Aaon black
6.71:1passpassfail
  • AAA: use #3caa41 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3aa640 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 #3aa640
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 #3aa640 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aa640-a2bea6-a04edf-1f2d26-edf1e9?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