Color

#40aa13

#40aa13
hex#40aa13
rgbrgb(64, 170, 19)
hslhsl(102, 80%, 37%)
oklchoklch(0.651 0.199 139.2)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.2989

Colors that go with #40aa13

Blue, Dodger 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 →

#7d13aa

#8caa13 · #13aa31

#1340aa · #aa1340

Split-complementary

Open in tool →

#3113aa · #aa138c

#138caa · #7d13aa · #aa3113

Contrast

#40aa13 as textRatioAAAA largeAAAFix
Aaon white
3.01:1failpassfail
  • AA: use #32850f as the text (4.67:1)
  • AAA: use #26650b as the text (7.12:1)
  • AA: or shift the background to #2e2e2e (4.51:1)
Aaon black
6.98:1passpassfail
  • AAA: use #42ae13 as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40aa13 as the background.

Brands using this color

mcpConnect your agent — build around #40aa13
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 #40aa13 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40aa13-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