Color

#3ab67a

#3ab67a
hex#3ab67a
rgbrgb(58, 182, 122)
hslhsl(151, 52%, 47%)
oklchoklch(0.693 0.141 158)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3576

Colors that go with #3ab67a

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 →

#b63a76

#3ab63c · #3ab4b6

#7a3ab6 · #b67a3a

Split-complementary

Open in tool →

#b63ab4 · #b63c3a

#3c3ab6 · #b63a76 · #b4b63a

Contrast

#3ab67a as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #2a8458 as the text (4.63:1)
  • AAA: use #1f6141 as the text (7.38:1)
  • AA: or shift the background to #383838 (4.55:1)
  • AAA: or shift the background to #141414 (7.15:1)
Aaon black
8.15:1passpasspassPasses 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 #3ab67a as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #3ab67a
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 #3ab67a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ab67a-a2beb4-d459d0-1f2d2c-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