Color

#4db2d1

#4db2d1
hex#4db2d1
rgbrgb(77, 178, 209)
hslhsl(194, 59%, 56%)
oklchoklch(0.716 0.103 221.3)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.3802

Colors that go with #4db2d1

Charcoal, Amber and Dark Orange 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.

Real palettes that use #4db2d1

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d16b4d

#4dd1ae · #4d70d1

#d14db2 · #b2d14d

Split-complementary

Open in tool →

#d14d70 · #d1ae4d

#ae4dd1 · #d16b4d · #70d14d

Contrast

#4db2d1 as textRatioAAAA largeAAAFix
Aaon white
2.44:1failfailfail
  • AA: use #287f9a as the text (4.57:1)
  • AAA: use #1d5e72 as the text (7.25:1)
  • AA: or shift the background to #3b3b3b (4.59:1)
  • AAA: or shift the background to #1a1a1a (7.13:1)
Aaon black
8.6:1passpasspassPasses 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 #4db2d1 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

#4db2d1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4db2d1
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 #4db2d1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4db2d1-9cb6c4-df4e72-1f242d-e9f1ef?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