Color

#42aeae

#42aeae
hex#42aeae
rgbrgb(66, 174, 174)
hslhsl(180, 45%, 47%)
oklchoklch(0.69 0.097 195.1)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3449

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae4242

#42ae78 · #4278ae

#ae42ae · #aeae42

Split-complementary

Open in tool →

#ae4278 · #ae7842

#7842ae · #ae4242 · #78ae42

Contrast

#42aeae as textRatioAAAA largeAAAFix
Aaon white
2.66:1failfailfail
  • AA: use #318181 as the text (4.58:1)
  • AAA: use #246060 as the text (7.2:1)
  • AA: or shift the background to #363636 (4.54:1)
  • AAA: or shift the background to #121212 (7.04:1)
Aaon black
7.9:1passpasspassPasses 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 #42aeae 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

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

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

tool url/palettes/new/42aeae-a2bbbe-d45994-1f272d-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