Color

#05fa5b

#05fa5b
hex#05fa5b
rgbrgb(5, 250, 91)
hslhsl(141, 96%, 50%)
oklchoklch(0.858 0.257 146.6)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6916

Colors that go with #05fa5b

Violet, Deep Sky Blue and Hot Pink 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 →

#fa05a4

#2afa05 · #05fad5

#5b05fa · #fa5b05

Split-complementary

Open in tool →

#d505fa · #fa052a

#052afa · #fa05a4 · #fad505

Contrast

#05fa5b as textRatioAAAA largeAAAFix
Aaon white
1.42:1failfailfail
  • AA: use #038731 as the text (4.65:1)
  • AAA: use #026424 as the text (7.37:1)
  • AA: or shift the background to #5e5e5e (4.58:1)
  • AAA: or shift the background to #424242 (7.1:1)
Aaon black
14.83:1passpasspassPasses 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 #05fa5b 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 #05fa5b
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 #05fa5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05fa5b-a2beaf-c459d4-1f2d2a-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