Color

#3cb490

#3cb490
hex#3cb490
rgbrgb(60, 180, 144)
hslhsl(162, 50%, 47%)
oklchoklch(0.694 0.119 169.2)
Closest name: Electra (#55b492)Relative luminance 0.3562

Colors that go with #3cb490

Charcoal, Hot Pink and 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 →

#b43c60

#3cb454 · #3c9cb4

#903cb4 · #b4903c

Split-complementary

Open in tool →

#b43c9c · #b4543c

#543cb4 · #b43c60 · #9cb43c

Contrast

#3cb490 as textRatioAAAA largeAAAFix
Aaon white
2.59:1failfailfail
  • AA: use #2b8268 as the text (4.67:1)
  • AAA: use #216350 as the text (7.08:1)
  • AA: or shift the background to #383838 (4.54:1)
  • AAA: or shift the background to #141414 (7.13:1)
Aaon black
8.12:1passpasspassPasses 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 #3cb490 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 #3cb490
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 #3cb490 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cb490-a2beb9-d459b9-1f2b2d-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