Color

#3ab427

#3ab427
hex#3ab427
rgbrgb(58, 180, 39)
hslhsl(112, 64%, 43%)
oklchoklch(0.677 0.205 141.3)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3369

Colors that go with #3ab427

Royal Blue, Taupe and Fuchsia 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 →

#a127b4

#80b427 · #27b45b

#273ab4 · #b4273a

Split-complementary

Open in tool →

#5b27b4 · #b42780

#2780b4 · #a127b4 · #b45b27

Contrast

#3ab427 as textRatioAAAA largeAAAFix
Aaon white
2.71:1failfailfail
  • AA: use #2b861d as the text (4.64:1)
  • AAA: use #206416 as the text (7.25:1)
  • AA: or shift the background to #333333 (4.66:1)
  • AAA: or shift the background to #0f0f0f (7.06:1)
Aaon black
7.74:1passpasspassPasses 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 #3ab427 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 #3ab427
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 #3ab427 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ab427-a2bea2-864edf-1f2d23-eef1e9?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