Color

#5bc837

#5bc837
hex#5bc837
rgbrgb(91, 200, 55)
hslhsl(105, 57%, 50%)
oklchoklch(0.741 0.206 139.2)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.4381

Colors that go with #5bc837

Blue, Charcoal and Royal 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 →

#a437c8

#a4c837 · #37c85b

#375bc8 · #c8375b

Split-complementary

Open in tool →

#5b37c8 · #c837a4

#37a4c8 · #a437c8 · #c85b37

Contrast

#5bc837 as textRatioAAAA largeAAAFix
Aaon white
2.15:1failfailfail
  • AA: use #3c8424 as the text (4.65:1)
  • AAA: use #2e641b as the text (7.11:1)
  • AA: or shift the background to #424242 (4.67:1)
  • AAA: or shift the background to #262626 (7.03:1)
Aaon black
9.76:1passpasspassPasses 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 #5bc837 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 #5bc837
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 #5bc837 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bc837-a6bea2-754edf-1f2d22-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