Color

#5fb503

#5fb503
hex#5fb503
rgbrgb(95, 181, 3)
hslhsl(89, 97%, 36%)
oklchoklch(0.691 0.201 134.9)
Closest name: Extra Life (#6ab417)Relative luminance 0.3549

Colors that go with #5fb503

Royal Blue, Taupe and Orchid 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 →

#5903b5

#b5b203 · #06b503

#035fb5 · #b5035f

Split-complementary

Open in tool →

#0306b5 · #b203b5

#03b5b2 · #5903b5 · #b50306

Contrast

#5fb503 as textRatioAAAA largeAAAFix
Aaon white
2.59:1failfailfail
  • AA: use #448302 as the text (4.67:1)
  • AAA: use #356402 as the text (7.06:1)
  • AA: or shift the background to #383838 (4.52:1)
  • AAA: or shift the background to #141414 (7.1:1)
Aaon black
8.1:1passpasspassPasses 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 #5fb503 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 #5fb503
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 #5fb503 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5fb503-adbea2-4e4edf-212d1f-f1f1e9?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