Color

#3aa187

#3aa187
hex#3aa187
rgbrgb(58, 161, 135)
hslhsl(165, 47%, 43%)
oklchoklch(0.642 0.103 173.1)
Closest name: Herbal (#29ab87)Relative luminance 0.2814

Colors that go with #3aa187

Charcoal, Blue and Copper 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.

Real palettes that use #3aa187

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a13a54

#3aa154 · #3a87a1

#873aa1 · #a1873a

Split-complementary

Open in tool →

#a13a87 · #a1543a

#543aa1 · #a13a54 · #87a13a

Contrast

#3aa187 as textRatioAAAA largeAAAFix
Aaon white
3.17:1failpassfail
  • AA: use #2f836e as the text (4.57:1)
  • AAA: use #236152 as the text (7.23:1)
  • AA: or shift the background to #292929 (4.59:1)
Aaon black
6.63:1passpassfail
  • AAA: use #3da98e as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3aa187 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 #3aa187
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 #3aa187 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aa187-a2beba-d459b3-1f2b2d-e9f1eb?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