Color

#75dd40

#75dd40
hex#75dd40
rgbrgb(117, 221, 64)
hslhsl(100, 70%, 56%)
oklchoklch(0.805 0.213 137.2)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5586

Colors that go with #75dd40

Deep Sky 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 →

#a940dd

#c3dd40 · #40dd5a

#4075dd · #dd4075

Split-complementary

Open in tool →

#5a40dd · #dd40c3

#40c3dd · #a940dd · #dd5a40

Contrast

#75dd40 as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #3d8618 as the text (4.54:1)
  • AAA: use #2d6412 as the text (7.14:1)
  • AA: or shift the background to #525252 (4.53:1)
  • AAA: or shift the background to #363636 (7:1)
Aaon black
12.17:1passpasspassPasses 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 #75dd40 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 #75dd40
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 #75dd40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/75dd40-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