Color

#81eee5

#81eee5
hex#81eee5
rgbrgb(129, 238, 229)
hslhsl(175, 76%, 72%)
oklchoklch(0.882 0.102 188.5)
Closest name: Bath Water (#88eeee)Relative luminance 0.7147

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee818a

#81eeaf · #81c1ee

#e581ee · #eee581

Split-complementary

Open in tool →

#ee81c1 · #eeaf81

#af81ee · #ee818a · #c1ee81

Contrast

#81eee5 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #128279 as the text (4.67:1)
  • AAA: use #0d635c as the text (7.1:1)
  • AA: or shift the background to #616161 (4.51:1)
  • AAA: or shift the background to #424242 (7.32:1)
Aaon black
15.29:1passpasspassPasses 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 #81eee5 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

#81eee5 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81eee5
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 #81eee5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81eee5-a2bdbe-d4599f-1f282d-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