Color

#40f0fc

#40f0fc
hex#40f0fc
rgbrgb(64, 240, 252)
hslhsl(184, 97%, 62%)
oklchoklch(0.875 0.137 201.9)
Closest name: Aqua (#0ff0fe)Relative luminance 0.7044

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fc4d40

#40fcab · #4092fc

#fc40f0 · #f0fc40

Split-complementary

Open in tool →

#fc4092 · #fcab40

#ab40fc · #fc4d40 · #92fc40

Contrast

#40f0fc as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #02838d as the text (4.53:1)
  • AAA: use #026369 as the text (7.02:1)
  • AA: or shift the background to #5e5e5e (4.66:1)
  • AAA: or shift the background to #424242 (7.22:1)
Aaon black
15.09:1passpasspassPasses 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 #40f0fc as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#40f0fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40f0fc
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 #40f0fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40f0fc-a2b9be-df4e8a-1f262d-e9f1ee?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