Color

#40ef06

#40ef06
hex#40ef06
rgbrgb(64, 239, 6)
hslhsl(105, 95%, 48%)
oklchoklch(0.832 0.271 140.8)
Closest name: Becquerel (#4bec13)Relative luminance 0.6284

Colors that go with #40ef06

Deep Sky Blue, Violet and Hot Pink 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 →

#b506ef

#b5ef06 · #06ef40

#0640ef · #ef0640

Split-complementary

Open in tool →

#4006ef · #ef06b5

#06b5ef · #b506ef · #ef4006

Contrast

#40ef06 as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #248603 as the text (4.68:1)
  • AAA: use #1b6303 as the text (7.41:1)
  • AA: or shift the background to #595959 (4.53:1)
  • AAA: or shift the background to #3d3d3d (7.02:1)
Aaon black
13.57:1passpasspassPasses 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 #40ef06 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 #40ef06
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 #40ef06 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40ef06-a6bea2-754edf-1f2d22-eff1e9?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