Color

#19f5dc

#19f5dc
hex#19f5dc
rgbrgb(25, 245, 220)
hslhsl(173, 92%, 53%)
oklchoklch(0.872 0.154 181.8)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.7068

Colors that go with #19f5dc

Charcoal, Deep Sky Blue and Taupe lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f51933

#19f56d · #19a1f5

#dc19f5 · #f5dc19

Split-complementary

Open in tool →

#f519a1 · #f56d19

#6d19f5 · #f51933 · #a1f519

Contrast

#19f5dc as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #068475 as the text (4.6:1)
  • AAA: use #046257 as the text (7.27:1)
  • AA: or shift the background to #5e5e5e (4.67:1)
  • AAA: or shift the background to #424242 (7.24:1)
Aaon black
15.14:1passpasspassPasses 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 #19f5dc as the background.

Brands using this color

mcpConnect your agent — build around #19f5dc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #19f5dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19f5dc-a2bebe-d459a3-1f292d-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