Color

#33d5db

#33d5db
hex#33d5db
rgbrgb(51, 213, 219)
hslhsl(182, 70%, 53%)
oklchoklch(0.797 0.126 198.8)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5341

Colors that go with #33d5db

Charcoal, Light Coral and Crimson 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 →

#db3933

#33db8d · #3382db

#db33d5 · #d5db33

Split-complementary

Open in tool →

#db3382 · #db8d33

#8d33db · #db3933 · #82db33

Contrast

#33d5db as textRatioAAAA largeAAAFix
Aaon white
1.8:1failfailfail
  • AA: use #188386 as the text (4.54:1)
  • AAA: use #126164 as the text (7.19:1)
  • AA: or shift the background to #4f4f4f (4.56:1)
  • AAA: or shift the background to #333333 (7.03:1)
Aaon black
11.68:1passpasspassPasses 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 #33d5db as the background.

Brands using this color

Fonts for this mood

#33d5db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33d5db
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 #33d5db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33d5db-a2babe-d45990-1f272d-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