Color

#3db427

#3db427
hex#3db427
rgbrgb(61, 180, 39)
hslhsl(111, 64%, 43%)
oklchoklch(0.677 0.204 141)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3378

Colors that go with #3db427

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 →

#9f27b4

#83b427 · #27b459

#273db4 · #b4273d

Split-complementary

Open in tool →

#5927b4 · #b42783

#2783b4 · #9f27b4 · #b45927

Contrast

#3db427 as textRatioAAAA largeAAAFix
Aaon white
2.71:1failfailfail
  • AA: use #2d861d as the text (4.63:1)
  • AAA: use #226416 as the text (7.24:1)
  • AA: or shift the background to #333333 (4.67:1)
  • AAA: or shift the background to #0f0f0f (7.08:1)
Aaon black
7.76:1passpasspassPasses 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 #3db427 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 #3db427
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 #3db427 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3db427-a3bea2-834edf-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