Color

#3aa838

#3aa838
hex#3aa838
rgbrgb(58, 168, 56)
hslhsl(119, 50%, 44%)
oklchoklch(0.646 0.181 142.9)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2919

Colors that go with #3aa838

Blue, Charcoal 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 →

#a638a8

#72a838 · #38a86e

#383aa8 · #a8383a

Split-complementary

Open in tool →

#6e38a8 · #a83872

#3872a8 · #a638a8 · #a86e38

Contrast

#3aa838 as textRatioAAAA largeAAAFix
Aaon white
3.07:1failpassfail
  • AA: use #2e862d as the text (4.6:1)
  • AAA: use #226321 as the text (7.31:1)
  • AA: or shift the background to #2b2b2b (4.61:1)
Aaon black
6.84:1passpassfail
  • AAA: use #3bac39 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3aa838 as the background.

Brands using this color

mcpConnect your agent — build around #3aa838
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 #3aa838 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aa838-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