Color

#40a30a

#40a30a
hex#40a30a
rgbrgb(64, 163, 10)
hslhsl(99, 88%, 34%)
oklchoklch(0.632 0.194 138.5)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.2731

Colors that go with #40a30a

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 →

#6e0aa3

#8ca30a · #0aa321

#0a40a3 · #a30a40

Split-complementary

Open in tool →

#210aa3 · #a30a8c

#0a8ca3 · #6e0aa3 · #a3210a

Contrast

#40a30a as textRatioAAAA largeAAAFix
Aaon white
3.25:1failpassfail
  • AA: use #358609 as the text (4.6:1)
  • AAA: use #276506 as the text (7.12:1)
  • AA: or shift the background to #262626 (4.66:1)
Aaon black
6.46:1passpassfail
  • AAA: use #44ad0b as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40a30a 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 #40a30a
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 #40a30a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40a30a-a8bea2-664edf-1f2d21-f0f1e9?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