Color

#5bcdb2

#5bcdb2
hex#5bcdb2
rgbrgb(91, 205, 178)
hslhsl(166, 53%, 58%)
oklchoklch(0.775 0.112 175.3)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.491

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd5b76

#5bcd79 · #5baecd

#b25bcd · #cdb25b

Split-complementary

Open in tool →

#cd5bae · #cd795b

#795bcd · #cd5b76 · #aecd5b

Contrast

#5bcdb2 as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #28816c as the text (4.72:1)
  • AAA: use #1e6252 as the text (7.18:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2b2b2b (7.3:1)
Aaon black
10.82:1passpasspassPasses 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 #5bcdb2 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 #5bcdb2
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 #5bcdb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bcdb2-a2bebb-d459b1-1f2a2d-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