Color

#40a549

#40a549
hex#40a549
rgbrgb(64, 165, 73)
hslhsl(125, 44%, 45%)
oklchoklch(0.642 0.161 144.9)
Closest name: Jungle Jewels (#58a64b)Relative luminance 0.2848

Colors that go with #40a549

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 →

#a5409d

#6aa540 · #40a57b

#4940a5 · #a54940

Split-complementary

Open in tool →

#7b40a5 · #a5406a

#406aa5 · #a5409d · #a57b40

Contrast

#40a549 as textRatioAAAA largeAAAFix
Aaon white
3.14:1failpassfail
  • AA: use #33843a as the text (4.66:1)
  • AAA: use #27632c as the text (7.22:1)
  • AA: or shift the background to #2b2b2b (4.51:1)
Aaon black
6.7:1passpassfail
  • AAA: use #42a94a as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40a549 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 #40a549
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 #40a549 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40a549-a2bea7-a54edf-1f2d26-ecf1e9?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