Color

#40a04e

#40a04e
hex#40a04e
rgbrgb(64, 160, 78)
hslhsl(129, 43%, 44%)
oklchoklch(0.629 0.149 146.3)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2678

Colors that go with #40a04e

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 →

#a04092

#62a040 · #40a07f

#4e40a0 · #a04e40

Split-complementary

Open in tool →

#7f40a0 · #a04062

#4062a0 · #a04092 · #a07f40

Contrast

#40a04e as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #348340 as the text (4.7:1)
  • AAA: use #276230 as the text (7.3:1)
  • AA: or shift the background to #262626 (4.58:1)
Aaon black
6.36:1passpassfail
  • AAA: use #44ab54 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40a04e 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 #40a04e
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 #40a04e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40a04e-a2bea9-ae4edf-1f2d27-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