Color

#40a045

#40a045
hex#40a045
rgbrgb(64, 160, 69)
hslhsl(123, 43%, 44%)
oklchoklch(0.628 0.157 144.3)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2666

Colors that go with #40a045

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 →

#a0409c

#6ba040 · #40a075

#4540a0 · #a04540

Split-complementary

Open in tool →

#7540a0 · #a0406b

#406ba0 · #a0409c · #a07540

Contrast

#40a045 as textRatioAAAA largeAAAFix
Aaon white
3.32:1failpassfail
  • AA: use #348338 as the text (4.72:1)
  • AAA: use #27622a as the text (7.33:1)
  • AA: or shift the background to #262626 (4.56:1)
Aaon black
6.33:1passpassfail
  • AAA: use #44ab49 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40a045 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #40a045
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 #40a045 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40a045-a2bea6-a04edf-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