Color

#40a215

#40a215
hex#40a215
rgbrgb(64, 162, 21)
hslhsl(102, 77%, 36%)
oklchoklch(0.629 0.19 138.9)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2698

Colors that go with #40a215

Blue, Dodger Blue and Royal Blue 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 →

#7815a2

#86a215 · #15a231

#1540a2 · #a21540

Split-complementary

Open in tool →

#3115a2 · #a21586

#1586a2 · #7815a2 · #a23115

Contrast

#40a215 as textRatioAAAA largeAAAFix
Aaon white
3.28:1failpassfail
  • AA: use #358712 as the text (4.54:1)
  • AAA: use #27630d as the text (7.3:1)
  • AA: or shift the background to #262626 (4.61:1)
Aaon black
6.4:1passpassfail
  • AAA: use #43ac16 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40a215 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 #40a215
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 #40a215 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40a215-a7bea2-6e4edf-1f2d21-eff1e9?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