Color

#21edad

#21edad
hex#21edad
rgbrgb(33, 237, 173)
hslhsl(161, 85%, 53%)
oklchoklch(0.84 0.173 164.5)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.6391

Colors that go with #21edad

Taupe, Hot Pink and Charcoal 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 →

#ed2162

#21ed47 · #21c8ed

#ad21ed · #edad21

Split-complementary

Open in tool →

#ed21c8 · #ed4721

#4721ed · #ed2162 · #c8ed21

Contrast

#21edad as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #0b845e as the text (4.69:1)
  • AAA: use #086346 as the text (7.28:1)
  • AA: or shift the background to #595959 (4.6:1)
  • AAA: or shift the background to #3d3d3d (7.13:1)
Aaon black
13.78:1passpasspassPasses 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 #21edad as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #21edad
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 #21edad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/21edad-a2beb8-d459bb-1f2c2d-e9f1eb?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