Color

#3db40e

#3db40e
hex#3db40e
rgbrgb(61, 180, 14)
hslhsl(103, 86%, 38%)
oklchoklch(0.676 0.213 139.8)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3367

Colors that go with #3db40e

Taupe, Medium Orchid and Medium Purple 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 →

#850eb4

#90b40e · #0eb432

#0e3db4 · #b40e3d

Split-complementary

Open in tool →

#320eb4 · #b40e90

#0e90b4 · #850eb4 · #b4320e

Contrast

#3db40e as textRatioAAAA largeAAAFix
Aaon white
2.72:1failfailfail
  • AA: use #2d850a as the text (4.7:1)
  • AAA: use #226407 as the text (7.26:1)
  • AA: or shift the background to #333333 (4.65:1)
  • AAA: or shift the background to #0f0f0f (7.06:1)
Aaon black
7.73:1passpasspassPasses 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 #3db40e 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 #3db40e
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 #3db40e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3db40e-a6bea2-704edf-1f2d21-eff1e9?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