Color

#18e2e2

#18e2e2
hex#18e2e2
rgbrgb(24, 226, 226)
hslhsl(180, 81%, 49%)
oklchoklch(0.828 0.139 194.8)
Closest name: turquoise (#40e0d0)Relative luminance 0.6008

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e21818

#18e27d · #187de2

#e218e2 · #e2e218

Split-complementary

Open in tool →

#e2187d · #e27d18

#7d18e2 · #e21818 · #7de218

Contrast

#18e2e2 as textRatioAAAA largeAAAFix
Aaon white
1.61:1failfailfail
  • AA: use #0e8181 as the text (4.69:1)
  • AAA: use #0a6161 as the text (7.25:1)
  • AA: or shift the background to #545454 (4.69:1)
  • AAA: or shift the background to #383838 (7.27:1)
Aaon black
13.02:1passpasspassPasses 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 #18e2e2 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

#18e2e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18e2e2
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 #18e2e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18e2e2-a2bbbe-d45994-1f272d-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