Color

#42f0de

#42f0de
hex#42f0de
rgbrgb(66, 240, 222)
hslhsl(174, 85%, 60%)
oklchoklch(0.865 0.139 184.6)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6875

Colors that go with #42f0de

Charcoal, Deep Sky Blue and Taupe 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 →

#f04254

#42f088 · #42aaf0

#de42f0 · #f0de42

Split-complementary

Open in tool →

#f042aa · #f08842

#8842f0 · #f04254 · #aaf042

Contrast

#42f0de as textRatioAAAA largeAAAFix
Aaon white
1.42:1failfailfail
  • AA: use #0b8478 as the text (4.58:1)
  • AAA: use #08635a as the text (7.14:1)
  • AA: or shift the background to #5e5e5e (4.55:1)
  • AAA: or shift the background to #424242 (7.06:1)
Aaon black
14.75:1passpasspassPasses 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 #42f0de 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 #42f0de
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 #42f0de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42f0de-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