Color

#3da51d

#3da51d
hex#3da51d
rgbrgb(61, 165, 29)
hslhsl(106, 70%, 38%)
oklchoklch(0.637 0.192 139.9)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.2799

Colors that go with #3da51d

Blue, Dodger Blue and Taupe 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 →

#851da5

#81a51d · #1da541

#1d3da5 · #a51d3d

Split-complementary

Open in tool →

#411da5 · #a51d81

#1d81a5 · #851da5 · #a5411d

Contrast

#3da51d as textRatioAAAA largeAAAFix
Aaon white
3.18:1failpassfail
  • AA: use #328618 as the text (4.61:1)
  • AAA: use #256412 as the text (7.22:1)
  • AA: or shift the background to #292929 (4.57:1)
Aaon black
6.6:1passpassfail
  • AAA: use #40ad1f as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3da51d 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 #3da51d
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 #3da51d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3da51d-a5bea2-774edf-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