Color

#3fab5e

#3fab5e
hex#3fab5e
rgbrgb(63, 171, 94)
hslhsl(137, 46%, 46%)
oklchoklch(0.66 0.15 149.7)
Closest name: Jungle Jewels (#58a64b)Relative luminance 0.3099

Colors that go with #3fab5e

Charcoal, Blue and Royal 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 →

#ab3f8d

#57ab3f · #3fab94

#5e3fab · #ab5e3f

Split-complementary

Open in tool →

#943fab · #ab3f57

#3f57ab · #ab3f8d · #ab943f

Contrast

#3fab5e as textRatioAAAA largeAAAFix
Aaon white
2.92:1failfailfail
  • AA: use #32864a as the text (4.52:1)
  • AAA: use #256537 as the text (7.01:1)
  • AA: or shift the background to #303030 (4.52:1)
  • AAA: or shift the background to #030303 (7.07:1)
Aaon black
7.2:1passpasspassPasses 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 #3fab5e 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 #3fab5e
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 #3fab5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fab5e-a2bead-bb59d4-1f2d29-ebf1e9?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