Color

#42ebb0

#42ebb0
hex#42ebb0
rgbrgb(66, 235, 176)
hslhsl(159, 81%, 59%)
oklchoklch(0.841 0.16 164.8)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.6371

Colors that go with #42ebb0

Taupe, Hot Pink and Charcoal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb427d

#42eb5b · #42d2eb

#b042eb · #ebb042

Split-complementary

Open in tool →

#eb42d2 · #eb5b42

#5b42eb · #eb427d · #d2eb42

Contrast

#42ebb0 as textRatioAAAA largeAAAFix
Aaon white
1.53:1failfailfail
  • AA: use #0e865c as the text (4.58:1)
  • AAA: use #0a6143 as the text (7.49:1)
  • AA: or shift the background to #595959 (4.58:1)
  • AAA: or shift the background to #3d3d3d (7.11:1)
Aaon black
13.74:1passpasspassPasses 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 #42ebb0 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 #42ebb0
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 #42ebb0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42ebb0-a2beb8-d459c0-1f2c2d-e9f1eb?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