Color

#3aa676

#3aa676
hex#3aa676
rgbrgb(58, 166, 118)
hslhsl(153, 48%, 44%)
oklchoklch(0.651 0.122 160.6)
Closest name: Cosmic Green (#30a877)Relative luminance 0.2948

Colors that go with #3aa676

Charcoal, Crimson and Denim 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 →

#a63a6b

#3aa640 · #3aa1a6

#763aa6 · #a6763a

Split-complementary

Open in tool →

#a63aa1 · #a6403a

#403aa6 · #a63a6b · #a1a63a

Contrast

#3aa676 as textRatioAAAA largeAAAFix
Aaon white
3.05:1failpassfail
  • AA: use #2e845e as the text (4.59:1)
  • AAA: use #226245 as the text (7.24:1)
  • AA: or shift the background to #2b2b2b (4.65:1)
Aaon black
6.9:1passpassfail
  • AAA: use #3caa78 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3aa676 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #3aa676
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 #3aa676 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aa676-a2beb5-d459cc-1f2d2d-e9f1ea?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