Color

#40b047

#40b047
hex#40b047
rgbrgb(64, 176, 71)
hslhsl(124, 47%, 47%)
oklchoklch(0.671 0.177 144.3)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.326

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b040a9

#70b040 · #40b07f

#4740b0 · #b04740

Split-complementary

Open in tool →

#7f40b0 · #b04070

#4070b0 · #b040a9 · #b07f40

Contrast

#40b047 as textRatioAAAA largeAAAFix
Aaon white
2.79:1failfailfail
  • AA: use #318736 as the text (4.52:1)
  • AAA: use #246529 as the text (7.07:1)
  • AA: or shift the background to #333333 (4.52:1)
  • AAA: or shift the background to #0a0a0a (7.09:1)
Aaon black
7.52:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40b047 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 #40b047
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #40b047 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40b047-a2bea7-a24edf-1f2d26-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