Color

#40c33c

#40c33c
hex#40c33c
rgbrgb(64, 195, 60)
hslhsl(118, 53%, 50%)
oklchoklch(0.719 0.208 142.7)
Closest name: Exit Light (#55bb33)Relative luminance 0.4045

Colors that go with #40c33c

Blue, Charcoal 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 →

#bf3cc3

#84c33c · #3cc37b

#3c40c3 · #c33c40

Split-complementary

Open in tool →

#7b3cc3 · #c33c84

#3c84c3 · #bf3cc3 · #c37b3c

Contrast

#40c33c as textRatioAAAA largeAAAFix
Aaon white
2.31:1failfailfail
  • AA: use #2c8529 as the text (4.67:1)
  • AAA: use #22651f as the text (7.12:1)
  • AA: or shift the background to #3d3d3d (4.7:1)
  • AAA: or shift the background to #1f1f1f (7.13:1)
Aaon black
9.09:1passpasspassPasses 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 #40c33c 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 #40c33c
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 #40c33c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40c33c-a2bea4-944edf-1f2d25-edf1e9?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