Color

#40d733

#40d733
hex#40d733
rgbrgb(64, 215, 51)
hslhsl(115, 67%, 52%)
oklchoklch(0.771 0.235 142)
Closest name: Green Priestess (#11dd55)Relative luminance 0.4993

Colors that go with #40d733

Deep Sky Blue, Taupe and Violet 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 →

#c933d7

#92d733 · #33d777

#3340d7 · #d73340

Split-complementary

Open in tool →

#7733d7 · #d73392

#3392d7 · #c933d7 · #d77733

Contrast

#40d733 as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #24881b as the text (4.55:1)
  • AAA: use #1b6614 as the text (7.1:1)
  • AA: or shift the background to #4a4a4a (4.64:1)
  • AAA: or shift the background to #2e2e2e (7.1:1)
Aaon black
10.99:1passpasspassPasses 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 #40d733 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 #40d733
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 #40d733 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40d733-a2bea3-8d4edf-1f2d24-eef1e9?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