Color

#63ddf2

#63ddf2
hex#63ddf2
rgbrgb(99, 221, 242)
hslhsl(189, 85%, 67%)
oklchoklch(0.836 0.112 210.5)
Closest name: Cold Blue (#88dddd)Relative luminance 0.6078

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f27963

#63f2c0 · #6395f2

#f263dd · #ddf263

Split-complementary

Open in tool →

#f26395 · #f2c063

#c063f2 · #f27963 · #95f263

Contrast

#63ddf2 as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #0c8297 as the text (4.51:1)
  • AAA: use #096271 as the text (7.01:1)
  • AA: or shift the background to #575757 (4.53:1)
  • AAA: or shift the background to #3b3b3b (7.02:1)
Aaon black
13.16:1passpasspassPasses 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 #63ddf2 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

#63ddf2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #63ddf2
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 #63ddf2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63ddf2-a2b7be-df4e7e-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