Color

#3aeee5

#3aeee5
hex#3aeee5
rgbrgb(58, 238, 229)
hslhsl(177, 84%, 58%)
oklchoklch(0.861 0.138 189.7)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6771

Colors that go with #3aeee5

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 →

#ee3a43

#3aee8b · #3a9dee

#e53aee · #eee53a

Split-complementary

Open in tool →

#ee3a9d · #ee8b3a

#8b3aee · #ee3a43 · #9dee3a

Contrast

#3aeee5 as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #0b837d as the text (4.61:1)
  • AAA: use #09635e as the text (7.1:1)
  • AA: or shift the background to #5c5c5c (4.63:1)
  • AAA: or shift the background to #404040 (7.18:1)
Aaon black
14.54:1passpasspassPasses 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 #3aeee5 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 #3aeee5
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 #3aeee5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aeee5-a2bcbe-d4599b-1f282d-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