Color

#5bfbf8

#5bfbf8
hex#5bfbf8
rgbrgb(91, 251, 248)
hslhsl(179, 95%, 67%)
oklchoklch(0.905 0.132 193.3)
Closest name: Arctic Water (#00fcfc)Relative luminance 0.78

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb5b5e

#5bfba8 · #5baefb

#f85bfb · #fbf85b

Split-complementary

Open in tool →

#fb5bae · #fba85b

#a85bfb · #fb5b5e · #aefb5b

Contrast

#5bfbf8 as textRatioAAAA largeAAAFix
Aaon white
1.27:1failfailfail
  • AA: use #03817f as the text (4.72:1)
  • AAA: use #036362 as the text (7.08:1)
  • AA: or shift the background to #666666 (4.54:1)
  • AAA: or shift the background to #4a4a4a (7.01:1)
Aaon black
16.6:1passpasspassPasses 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 #5bfbf8 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 #5bfbf8
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 #5bfbf8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bfbf8-a2bbbe-d45996-1f272d-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