Color

#3ca63a

#3ca63a
hex#3ca63a
rgbrgb(60, 166, 58)
hslhsl(119, 48%, 44%)
oklchoklch(0.641 0.176 142.9)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2854

Colors that go with #3ca63a

Charcoal, 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 →

#a43aa6

#72a63a · #3aa66e

#3a3ca6 · #a63a3c

Split-complementary

Open in tool →

#6e3aa6 · #a63a72

#3a72a6 · #a43aa6 · #a66e3a

Contrast

#3ca63a as textRatioAAAA largeAAAFix
Aaon white
3.13:1failpassfail
  • AA: use #30842e as the text (4.7:1)
  • AAA: use #246222 as the text (7.38:1)
  • AA: or shift the background to #2b2b2b (4.52:1)
Aaon black
6.71:1passpassfail
  • AAA: use #3eaa3c as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3ca63a 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 #3ca63a
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 #3ca63a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ca63a-a2bea5-964edf-1f2d25-edf1e9?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