Color

#40d465

#40d465
hex#40d465
rgbrgb(64, 212, 101)
hslhsl(135, 63%, 54%)
oklchoklch(0.768 0.197 147.8)
Closest name: Battletoad (#11cc55)Relative luminance 0.4912

Colors that go with #40d465

Blue, Royal 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 →

#d440af

#65d440 · #40d4af

#6540d4 · #d46540

Split-complementary

Open in tool →

#af40d4 · #d44065

#4065d4 · #d440af · #d4af40

Contrast

#40d465 as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #1e8538 as the text (4.7:1)
  • AAA: use #17642a as the text (7.26:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2b2b2b (7.3:1)
Aaon black
10.82:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40d465 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 #40d465
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 #40d465 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40d465-a2beac-b759d4-1f2d29-ebf1e9?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