Color

#52ef99

#52ef99
hex#52ef99
rgbrgb(82, 239, 153)
hslhsl(147, 83%, 63%)
oklchoklch(0.849 0.179 155.2)
Closest name: Grotesque Green (#64e986)Relative luminance 0.6583

Colors that go with #52ef99

Charcoal, 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 →

#ef52a8

#5aef52 · #52efe7

#9952ef · #ef9952

Split-complementary

Open in tool →

#e752ef · #ef525a

#525aef · #ef52a8 · #efe752

Contrast

#52ef99 as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #0d8744 as the text (4.6:1)
  • AAA: use #096231 as the text (7.49:1)
  • AA: or shift the background to #5c5c5c (4.51:1)
  • AAA: or shift the background to #3d3d3d (7.33:1)
Aaon black
14.17:1passpasspassPasses 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 #52ef99 as the background.

Brands using this color

mcpConnect your agent — build around #52ef99
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 #52ef99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/52ef99-a2beb2-d059d4-1f2d2c-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