Color

#3feee5

#3feee5
hex#3feee5
rgbrgb(63, 238, 229)
hslhsl(177, 84%, 59%)
oklchoklch(0.862 0.137 189.7)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6786

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee3f47

#3fee8e · #3f9fee

#e53fee · #eee53f

Split-complementary

Open in tool →

#ee3f9f · #ee8e3f

#8e3fee · #ee3f47 · #9fee3f

Contrast

#3feee5 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 (4.64:1)
  • AAA: or shift the background to #404040 (7.19:1)
Aaon black
14.57:1passpasspassPasses 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 #3feee5 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 #3feee5
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 #3feee5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3feee5-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