Color

#81acc5

#81acc5
hex#81acc5
rgbrgb(129, 172, 197)
hslhsl(202, 37%, 64%)
oklchoklch(0.722 0.059 234.2)
Closest name: Blue Eye Samurai (#75aebd)Relative luminance 0.382

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c59a81

#81c5bc · #818ac5

#c581ac · #acc581

Split-complementary

Open in tool →

#c5818a · #c5bc81

#bc81c5 · #c59a81 · #8ac581

Contrast

#81acc5 as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #477b9a as the text (4.6:1)
  • AAA: use #355c73 as the text (7.17:1)
  • AA: or shift the background to #3b3b3b (4.61:1)
  • AAA: or shift the background to #1c1c1c (7.01:1)
Aaon black
8.64:1passpasspassPasses 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 #81acc5 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#81acc5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81acc5
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 #81acc5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81acc5-9cb1c4-df4e5f-1f222d-e9f1f0?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