Color

#3cb974

#3cb974
hex#3cb974
rgbrgb(60, 185, 116)
hslhsl(147, 51%, 48%)
oklchoklch(0.7 0.149 154.9)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3692

Colors that go with #3cb974

Charcoal, Blue and Cornflower 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 →

#b93c81

#42b93c · #3cb9b3

#743cb9 · #b9743c

Split-complementary

Open in tool →

#b33cb9 · #b93c42

#3c42b9 · #b93c81 · #b9b33c

Contrast

#3cb974 as textRatioAAAA largeAAAFix
Aaon white
2.5:1failfailfail
  • AA: use #2a8352 as the text (4.7:1)
  • AAA: use #20643f as the text (7.1:1)
  • AA: or shift the background to #383838 (4.68:1)
  • AAA: or shift the background to #171717 (7.16:1)
Aaon black
8.38:1passpasspassPasses 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 #3cb974 as the background.

Brands using this color

mcpConnect your agent — build around #3cb974
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 #3cb974 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cb974-a2beb2-d059d4-1f2d2c-eaf1e9?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