Color

#5bfbdd

#5bfbdd
hex#5bfbdd
rgbrgb(91, 251, 221)
hslhsl(169, 95%, 67%)
oklchoklch(0.897 0.14 178)
Closest name: aquamarine (#7fffd4)Relative luminance 0.7644

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb5b78

#5bfb8e · #5bc8fb

#dd5bfb · #fbdd5b

Split-complementary

Open in tool →

#fb5bc8 · #fb8e5b

#8e5bfb · #fb5b78 · #c8fb5b

Contrast

#5bfbdd as textRatioAAAA largeAAAFix
Aaon white
1.29:1failfailfail
  • AA: use #03866e as the text (4.53:1)
  • AAA: use #036352 as the text (7.22:1)
  • AA: or shift the background to #636363 (4.66:1)
  • AAA: or shift the background to #474747 (7.21:1)
Aaon black
16.29:1passpasspassPasses 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 #5bfbdd 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 #5bfbdd
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 #5bfbdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bfbdd-a2bebc-d459ab-1f2a2d-e9f1ec?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