Color

#5ff519

#5ff519
hex#5ff519
rgbrgb(95, 245, 25)
hslhsl(101, 92%, 53%)
oklchoklch(0.855 0.264 139.1)
Closest name: Becquerel (#4bec13)Relative luminance 0.6781

Colors that go with #5ff519

Deep Sky Blue, Violet 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 →

#b019f5

#cdf519 · #19f541

#195ff5 · #f5195f

Split-complementary

Open in tool →

#4119f5 · #f519cd

#19cdf5 · #b019f5 · #f54119

Contrast

#5ff519 as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #2e8406 as the text (4.75:1)
  • AAA: use #226204 as the text (7.46:1)
  • AA: or shift the background to #5c5c5c (4.64:1)
  • AAA: or shift the background to #404040 (7.19:1)
Aaon black
14.56:1passpasspassPasses 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 #5ff519 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 #5ff519
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 #5ff519 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5ff519-a7bea2-6b4edf-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