Color

#40b82e

#40b82e
hex#40b82e
rgbrgb(64, 184, 46)
hslhsl(112, 60%, 45%)
oklchoklch(0.689 0.203 141.3)
Closest name: Exit Light (#55bb33)Relative luminance 0.3557

Colors that go with #40b82e

Charcoal, Royal Blue and Taupe 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 →

#a52eb8

#85b82e · #2eb860

#2e40b8 · #b82e40

Split-complementary

Open in tool →

#602eb8 · #b82e85

#2e85b8 · #a52eb8 · #b8602e

Contrast

#40b82e as textRatioAAAA largeAAAFix
Aaon white
2.59:1failfailfail
  • AA: use #2f8722 as the text (4.56:1)
  • AAA: use #24661a as the text (7.02:1)
  • AA: or shift the background to #383838 (4.53:1)
  • AAA: or shift the background to #141414 (7.12:1)
Aaon black
8.11:1passpasspassPasses 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 #40b82e 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 #40b82e
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 #40b82e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40b82e-a2bea2-864edf-1f2d23-eef1e9?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