Color

#5bcd1d

#5bcd1d
hex#5bcd1d
rgbrgb(91, 205, 29)
hslhsl(99, 75%, 46%)
oklchoklch(0.752 0.223 137.9)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.4598

Colors that go with #5bcd1d

Blue, Taupe and Violet 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 →

#901dcd

#b3cd1d · #1dcd38

#1d5bcd · #cd1d5b

Split-complementary

Open in tool →

#381dcd · #cd1db3

#1db3cd · #901dcd · #cd381d

Contrast

#5bcd1d as textRatioAAAA largeAAAFix
Aaon white
2.06:1failfailfail
  • AA: use #3b8613 as the text (4.56:1)
  • AAA: use #2b620e as the text (7.35:1)
  • AA: or shift the background to #474747 (4.51:1)
  • AAA: or shift the background to #292929 (7.06:1)
Aaon black
10.2:1passpasspassPasses 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 #5bcd1d as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #5bcd1d
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 #5bcd1d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bcd1d-a8bea2-664edf-1f2d21-f0f1e9?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