Color

#3da11b

#3da11b
hex#3da11b
rgbrgb(61, 161, 27)
hslhsl(105, 71%, 37%)
oklchoklch(0.626 0.188 139.6)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2656

Colors that go with #3da11b

Blue, Dodger 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 →

#801ba1

#80a11b · #1ba13d

#1b3da1 · #a11b3d

Split-complementary

Open in tool →

#3d1ba1 · #a11b80

#1b80a1 · #801ba1 · #a13d1b

Contrast

#3da11b as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #338717 as the text (4.55:1)
  • AAA: use #266411 as the text (7.21:1)
  • AA: or shift the background to #262626 (4.55:1)
Aaon black
6.31:1passpassfail
  • AAA: use #42ae1e as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3da11b 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 #3da11b
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 #3da11b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3da11b-a6bea2-754edf-1f2d22-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