Color

#3da01c

#3da01c
hex#3da01c
rgbrgb(61, 160, 28)
hslhsl(105, 70%, 37%)
oklchoklch(0.623 0.186 139.6)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2622

Colors that go with #3da01c

Charcoal, Crimson and 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 →

#7f1ca0

#7fa01c · #1ca03d

#1c3da0 · #a01c3d

Split-complementary

Open in tool →

#3d1ca0 · #a01c7f

#1c7fa0 · #7f1ca0 · #a03d1c

Contrast

#3da01c as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #338618 as the text (4.6:1)
  • AAA: use #266412 as the text (7.21:1)
  • AA: or shift the background to #242424 (4.62:1)
Aaon black
6.24:1passpassfail
  • AAA: use #42ad1f as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3da01c 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 #3da01c
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 #3da01c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3da01c-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