Color

#52c421

#52c421
hex#52c421
rgbrgb(82, 196, 33)
hslhsl(102, 71%, 45%)
oklchoklch(0.726 0.216 138.8)
Closest name: Frog (#58bc08)Relative luminance 0.4138

Colors that go with #52c421

Orchid, 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 →

#9321c4

#a4c421 · #21c442

#2152c4 · #c42152

Split-complementary

Open in tool →

#4221c4 · #c421a4

#21a4c4 · #9321c4 · #c44221

Contrast

#52c421 as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #398717 as the text (4.51:1)
  • AAA: use #2a6411 as the text (7.17:1)
  • AA: or shift the background to #404040 (4.58:1)
  • AAA: or shift the background to #212121 (7.11:1)
Aaon black
9.28:1passpasspassPasses 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 #52c421 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 #52c421
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 #52c421 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/52c421-a7bea2-6e4edf-1f2d21-eff1e9?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