Color

#19d4e1

#19d4e1
hex#19d4e1
rgbrgb(25, 212, 225)
hslhsl(184, 80%, 49%)
oklchoklch(0.794 0.132 202.9)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5273

Colors that go with #19d4e1

Charcoal, Crimson and Dodger Blue 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 →

#e12619

#19e18a · #1970e1

#e119d4 · #d4e119

Split-complementary

Open in tool →

#e11970 · #e18a19

#8a19e1 · #e12619 · #70e119

Contrast

#19d4e1 as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #0f828a as the text (4.58:1)
  • AAA: use #0b5f65 as the text (7.4:1)
  • AA: or shift the background to #4f4f4f (4.5:1)
  • AAA: or shift the background to #303030 (7.26:1)
Aaon black
11.55:1passpasspassPasses 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 #19d4e1 as the background.

Brands using this color

Fonts for this mood

#19d4e1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19d4e1
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 #19d4e1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19d4e1-a2b9be-df4e8a-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