Color

#3da12b

#3da12b
hex#3da12b
rgbrgb(61, 161, 43)
hslhsl(111, 58%, 40%)
oklchoklch(0.627 0.18 140.9)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2666

Colors that go with #3da12b

Charcoal, Blue and Crimson 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 →

#8f2ba1

#78a12b · #2ba154

#2b3da1 · #a12b3d

Split-complementary

Open in tool →

#542ba1 · #a12b78

#2b78a1 · #8f2ba1 · #a1542b

Contrast

#3da12b as textRatioAAAA largeAAAFix
Aaon white
3.32:1failpassfail
  • AA: use #328523 as the text (4.65:1)
  • AAA: use #26651b as the text (7.1:1)
  • AA: or shift the background to #262626 (4.56:1)
Aaon black
6.33:1passpassfail
  • AAA: use #41ad2e as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3da12b 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 #3da12b
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 #3da12b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3da12b-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