Color

#21e472

#21e472
hex#21e472
rgbrgb(33, 228, 114)
hslhsl(145, 78%, 51%)
oklchoklch(0.806 0.212 150.6)
Closest name: Green Priestess (#11dd55)Relative luminance 0.5703

Colors that go with #21e472

Deep Sky Blue, Taupe and Violet 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 →

#e42192

#31e421 · #21e4d3

#7221e4 · #e47221

Split-complementary

Open in tool →

#d321e4 · #e42131

#2131e4 · #e42192 · #e4d321

Contrast

#21e472 as textRatioAAAA largeAAAFix
Aaon white
1.69:1failfailfail
  • AA: use #118843 as the text (4.54:1)
  • AAA: use #0c6431 as the text (7.28:1)
  • AA: or shift the background to #525252 (4.62:1)
  • AAA: or shift the background to #363636 (7.14:1)
Aaon black
12.41:1passpasspassPasses 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 #21e472 as the background.

Brands using this color

mcpConnect your agent — build around #21e472
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 #21e472 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/21e472-a2beb1-cc59d4-1f2d2b-eaf1e9?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