Color

#42daeb

#42daeb
hex#42daeb
rgbrgb(66, 218, 235)
hslhsl(186, 81%, 59%)
oklchoklch(0.818 0.125 206.1)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.573

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb5342

#42eba7 · #4286eb

#eb42da · #daeb42

Split-complementary

Open in tool →

#eb4286 · #eba742

#a742eb · #eb5342 · #86eb42

Contrast

#42daeb as textRatioAAAA largeAAAFix
Aaon white
1.69:1failfailfail
  • AA: use #0f828f as the text (4.56:1)
  • AAA: use #0b616a as the text (7.16:1)
  • AA: or shift the background to #525252 (4.64:1)
  • AAA: or shift the background to #363636 (7.17:1)
Aaon black
12.46:1passpasspassPasses 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 #42daeb 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

#42daeb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/42daeb-a2b8be-df4e86-1f262d-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