Color

#03fca5

#03fca5
hex#03fca5
rgbrgb(3, 252, 165)
hslhsl(159, 98%, 50%)
oklchoklch(0.874 0.2 159.3)
Closest name: Hyperpop Green (#17f9a6)Relative luminance 0.7236

Colors that go with #03fca5

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 →

#fc035a

#03fc28 · #03d7fc

#a503fc · #fca503

Split-complementary

Open in tool →

#fc03d7 · #fc2803

#2803fc · #fc035a · #d7fc03

Contrast

#03fca5 as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #018356 as the text (4.79:1)
  • AAA: use #016542 as the text (7.14:1)
  • AA: or shift the background to #616161 (4.56:1)
  • AAA: or shift the background to #454545 (7.06:1)
Aaon black
15.47:1passpasspassPasses 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 #03fca5 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 #03fca5
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 #03fca5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03fca5-a2beb8-d459c0-1f2c2d-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