Color

#42ebda

#42ebda
hex#42ebda
rgbrgb(66, 235, 218)
hslhsl(174, 81%, 59%)
oklchoklch(0.852 0.136 185)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6564

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb4253

#42eb86 · #42a7eb

#da42eb · #ebda42

Split-complementary

Open in tool →

#eb42a7 · #eb8642

#8642eb · #eb4253 · #a7eb42

Contrast

#42ebda as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #0e8176 as the text (4.75:1)
  • AAA: use #0a6158 as the text (7.33:1)
  • AA: or shift the background to #595959 (4.71:1)
  • AAA: or shift the background to #3d3d3d (7.31:1)
Aaon black
14.13:1passpasspassPasses 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 #42ebda as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

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

tool url/palettes/new/42ebda-a2bebe-d459a1-1f292d-e9f1ed?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