Color

#5bfbcb

#5bfbcb
hex#5bfbcb
rgbrgb(91, 251, 203)
hslhsl(162, 95%, 67%)
oklchoklch(0.892 0.15 169.4)
Closest name: aquamarine (#7fffd4)Relative luminance 0.7553

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb5b8b

#5bfb7b · #5bdbfb

#cb5bfb · #fbcb5b

Split-complementary

Open in tool →

#fb5bdb · #fb7b5b

#7b5bfb · #fb5b8b · #dbfb5b

Contrast

#5bfbcb as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #03865f as the text (4.59:1)
  • AAA: use #036346 as the text (7.3:1)
  • AA: or shift the background to #636363 (4.61:1)
  • AAA: or shift the background to #474747 (7.13:1)
Aaon black
16.11:1passpasspassPasses 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 #5bfbcb 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 #5bfbcb
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 #5bfbcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bfbcb-a2beb9-d459b9-1f2b2d-e9f1eb?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