Color

#3df5e2

#3df5e2
hex#3df5e2
rgbrgb(61, 245, 226)
hslhsl(174, 90%, 60%)
oklchoklch(0.878 0.144 184.4)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.7179

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f53d50

#3df587 · #3dabf5

#e23df5 · #f5e23d

Split-complementary

Open in tool →

#f53dab · #f5873d

#873df5 · #f53d50 · #abf53d

Contrast

#3df5e2 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #078376 as the text (4.65:1)
  • AAA: use #056158 as the text (7.35:1)
  • AA: or shift the background to #616161 (4.53:1)
  • AAA: or shift the background to #454545 (7.01:1)
Aaon black
15.36:1passpasspassPasses 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 #3df5e2 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 #3df5e2
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 #3df5e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3df5e2-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