Color

#63adbb

#63adbb
hex#63adbb
rgbrgb(99, 173, 187)
hslhsl(190, 39%, 56%)
oklchoklch(0.705 0.076 211.1)
Closest name: Blue Eye Samurai (#75aebd)Relative luminance 0.3613

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb7263

#63bb9d · #6380bb

#bb63ac · #acbb63

Split-complementary

Open in tool →

#bb6380 · #bb9d63

#9d63bb · #bb7263 · #80bb63

Contrast

#63adbb as textRatioAAAA largeAAAFix
Aaon white
2.55:1failfailfail
  • AA: use #3d7d8a as the text (4.67:1)
  • AAA: use #2d5d67 as the text (7.31:1)
  • AA: or shift the background to #383838 (4.59:1)
  • AAA: or shift the background to #171717 (7.02:1)
Aaon black
8.23:1passpasspassPasses 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 #63adbb 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

#63adbb reads as cool, modern. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/63adbb-a2b6be-df4e7c-1f252d-e9f1ef?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