Color

#42e0eb

#42e0eb
hex#42e0eb
rgbrgb(66, 224, 235)
hslhsl(184, 81%, 59%)
oklchoklch(0.832 0.127 202)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.6047

Colors that go with #42e0eb

Charcoal, Deep Sky Blue and Light Coral lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #42e0eb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb4d42

#42eba2 · #428beb

#eb42e0 · #e0eb42

Split-complementary

Open in tool →

#eb428b · #eba242

#a242eb · #eb4d42 · #8beb42

Contrast

#42e0eb as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #0f828a as the text (4.58:1)
  • AAA: use #0b5f66 as the text (7.39:1)
  • AA: or shift the background to #575757 (4.51:1)
  • AAA: or shift the background to #383838 (7.31:1)
Aaon black
13.09:1passpasspassPasses 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 #42e0eb 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

#42e0eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42e0eb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #42e0eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42e0eb-a2b9be-df4e8a-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