Color

#40f2dd

#40f2dd
hex#40f2dd
rgbrgb(64, 242, 221)
hslhsl(173, 87%, 60%)
oklchoklch(0.869 0.142 183.1)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6981

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f24055

#40f284 · #40aef2

#dd40f2 · #f2dd40

Split-complementary

Open in tool →

#f240ae · #f28440

#8440f2 · #f24055 · #aef240

Contrast

#40f2dd as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #098173 as the text (4.77:1)
  • AAA: use #076459 as the text (7.06:1)
  • AA: or shift the background to #5e5e5e (4.62:1)
  • AAA: or shift the background to #424242 (7.16:1)
Aaon black
14.96:1passpasspassPasses 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 #40f2dd 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 #40f2dd
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 #40f2dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40f2dd-a2bebe-d459a3-1f292d-e9f1ec?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