Color

#40e2aa

#40e2aa
hex#40e2aa
rgbrgb(64, 226, 170)
hslhsl(159, 74%, 57%)
oklchoklch(0.817 0.155 165.1)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5838

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e24079

#40e259 · #40cae2

#aa40e2 · #e2aa40

Split-complementary

Open in tool →

#e240ca · #e25940

#5940e2 · #e24079 · #cae240

Contrast

#40e2aa as textRatioAAAA largeAAAFix
Aaon white
1.66:1failfailfail
  • AA: use #14855d as the text (4.62:1)
  • AAA: use #0f6245 as the text (7.36:1)
  • AA: or shift the background to #545454 (4.57:1)
  • AAA: or shift the background to #383838 (7.08:1)
Aaon black
12.68:1passpasspassPasses 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 #40e2aa 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 #40e2aa
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 #40e2aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40e2aa-a2beb8-d459c0-1f2c2d-e9f1eb?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