Color

#42aaae

#42aaae
hex#42aaae
rgbrgb(66, 170, 174)
hslhsl(182, 45%, 47%)
oklchoklch(0.68 0.094 198.7)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3296

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae4642

#42ae7b · #4274ae

#ae42aa · #aaae42

Split-complementary

Open in tool →

#ae4274 · #ae7b42

#7b42ae · #ae4642 · #74ae42

Contrast

#42aaae as textRatioAAAA largeAAAFix
Aaon white
2.77:1failfailfail
  • AA: use #317f81 as the text (4.68:1)
  • AAA: use #245e60 as the text (7.38:1)
  • AA: or shift the background to #333333 (4.57:1)
  • AAA: or shift the background to #0d0d0d (7.03:1)
Aaon black
7.59:1passpasspassPasses 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 #42aaae 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

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

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

tool url/palettes/new/42aaae-a2babe-d45990-1f272d-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