Color

#55d515

#55d515
hex#55d515
rgbrgb(85, 213, 21)
hslhsl(100, 82%, 46%)
oklchoklch(0.77 0.236 138.8)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.4957

Colors that go with #55d515

Taupe, 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 →

#9515d5

#b5d515 · #15d535

#1555d5 · #d51555

Split-complementary

Open in tool →

#3515d5 · #d515b5

#15b5d5 · #9515d5 · #d53515

Contrast

#55d515 as textRatioAAAA largeAAAFix
Aaon white
1.92:1failfailfail
  • AA: use #36870d as the text (4.54:1)
  • AAA: use #29660a as the text (7:1)
  • AA: or shift the background to #4a4a4a (4.61:1)
  • AAA: or shift the background to #2e2e2e (7.06:1)
Aaon black
10.91:1passpasspassPasses 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 #55d515 as the background.

Brands using this color

mcpConnect your agent — build around #55d515
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 #55d515 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55d515-a8bea2-694edf-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