Color

#64cddd

#64cddd
hex#64cddd
rgbrgb(100, 205, 221)
hslhsl(188, 64%, 63%)
oklchoklch(0.792 0.099 208.6)
Closest name: Hidden Sea Glass (#6fd1c9)Relative luminance 0.5159

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd7464

#64ddb1 · #6491dd

#dd64cd · #cddd64

Split-complementary

Open in tool →

#dd6491 · #ddb164

#b164dd · #dd7464 · #91dd64

Contrast

#64cddd as textRatioAAAA largeAAAFix
Aaon white
1.86:1failfailfail
  • AA: use #1f7f8e as the text (4.68:1)
  • AAA: use #18616d as the text (7.07:1)
  • AA: or shift the background to #4d4d4d (4.56:1)
  • AAA: or shift the background to #303030 (7.11:1)
Aaon black
11.32:1passpasspassPasses 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 #64cddd 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

#64cddd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #64cddd
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 #64cddd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64cddd-a2b7be-df4e81-1f252d-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