Color

#03fca9

#03fca9
hex#03fca9
rgbrgb(3, 252, 169)
hslhsl(160, 98%, 50%)
oklchoklch(0.875 0.196 160.4)
Closest name: Hyperpop Green (#17f9a6)Relative luminance 0.725

Colors that go with #03fca9

Violet, Charcoal and Deep Sky Blue 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 →

#fc0356

#03fc2c · #03d3fc

#a903fc · #fca903

Split-complementary

Open in tool →

#fc03d3 · #fc2c03

#2c03fc · #fc0356 · #d3fc03

Contrast

#03fca9 as textRatioAAAA largeAAAFix
Aaon white
1.35:1failfailfail
  • AA: use #018358 as the text (4.78:1)
  • AAA: use #016544 as the text (7.13:1)
  • AA: or shift the background to #616161 (4.57:1)
  • AAA: or shift the background to #454545 (7.08:1)
Aaon black
15.5:1passpasspassPasses 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 #03fca9 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 #03fca9
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 #03fca9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03fca9-a2beb8-d459be-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