Color

#3aa437

#3aa437
hex#3aa437
rgbrgb(58, 164, 55)
hslhsl(118, 50%, 43%)
oklchoklch(0.635 0.176 142.8)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2773

Colors that go with #3aa437

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 →

#a137a4

#71a437 · #37a46a

#373aa4 · #a4373a

Split-complementary

Open in tool →

#6a37a4 · #a43771

#3771a4 · #a137a4 · #a46a37

Contrast

#3aa437 as textRatioAAAA largeAAAFix
Aaon white
3.21:1failpassfail
  • AA: use #30862d as the text (4.59:1)
  • AAA: use #236321 as the text (7.3:1)
  • AA: or shift the background to #292929 (4.53:1)
Aaon black
6.55:1passpassfail
  • AAA: use #3dac39 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3aa437 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 #3aa437
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 #3aa437 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aa437-a2bea4-944edf-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