Color

#40ea34

#40ea34
hex#40ea34
rgbrgb(64, 234, 52)
hslhsl(116, 81%, 56%)
oklchoklch(0.82 0.254 142.1)
Closest name: Becquerel (#4bec13)Relative luminance 0.6018

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#de34ea

#9bea34 · #34ea83

#3440ea · #ea3440

Split-complementary

Open in tool →

#8334ea · #ea349b

#349bea · #de34ea · #ea8334

Contrast

#40ea34 as textRatioAAAA largeAAAFix
Aaon white
1.61:1failfailfail
  • AA: use #16860e as the text (4.72:1)
  • AAA: use #11660b as the text (7.17:1)
  • AA: or shift the background to #545454 (4.7:1)
  • AAA: or shift the background to #383838 (7.28:1)
Aaon black
13.04:1passpasspassPasses 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 #40ea34 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 #40ea34
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #40ea34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40ea34-a2bea3-8f4edf-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