Color

#00e5ff

#00e5ff
hex#00e5ff
rgbrgb(0, 229, 255)
hslhsl(186, 100%, 50%)
oklchoklch(0.844 0.146 209.3)
Closest name: Aqua (#0ff0fe)Relative luminance 0.6326

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff1900

#00ff99 · #0066ff

#ff00e6 · #e5ff00

Split-complementary

Open in tool →

#ff0066 · #ff9900

#9900ff · #ff1900 · #66ff00

Contrast

#00e5ff as textRatioAAAA largeAAAFix
Aaon white
1.54:1failfailfail
  • AA: use #00818f as the text (4.63:1)
  • AAA: use #00606b as the text (7.28:1)
  • AA: or shift the background to #595959 (4.55:1)
  • AAA: or shift the background to #3d3d3d (7.06:1)
Aaon black
13.65:1passpasspassPasses 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 #00e5ff 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

#00e5ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00e5ff
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 #00e5ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00e5ff-a2b8be-df4e86-1f262d-e9f1ee?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