Color

#42acbd

#42acbd
hex#42acbd
rgbrgb(66, 172, 189)
hslhsl(188, 48%, 50%)
oklchoklch(0.691 0.098 209.9)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3434

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd5342

#42bd90 · #426fbd

#bd42ac · #acbd42

Split-complementary

Open in tool →

#bd426f · #bd9042

#9042bd · #bd5342 · #6fbd42

Contrast

#42acbd as textRatioAAAA largeAAAFix
Aaon white
2.67:1failfailfail
  • AA: use #31808c as the text (4.57:1)
  • AAA: use #25616a as the text (7.01:1)
  • AA: or shift the background to #363636 (4.53:1)
  • AAA: or shift the background to #121212 (7.02:1)
Aaon black
7.87:1passpasspassPasses 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 #42acbd 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

#42acbd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42acbd
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 #42acbd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42acbd-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