Color

#1dfc90

#1dfc90
hex#1dfc90
rgbrgb(29, 252, 144)
hslhsl(151, 97%, 55%)
oklchoklch(0.871 0.215 154)
Closest name: mediumspringgreen (#00fa9a)Relative luminance 0.719

Colors that go with #1dfc90

Violet, Charcoal and Deep Sky 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 →

#fc1d89

#1dfc21 · #1df8fc

#901dfc · #fc901d

Split-complementary

Open in tool →

#fc1df8 · #fc211d

#211dfc · #fc1d89 · #f8fc1d

Contrast

#1dfc90 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #028847 as the text (4.55:1)
  • AAA: use #026435 as the text (7.3:1)
  • AA: or shift the background to #616161 (4.54:1)
  • AAA: or shift the background to #454545 (7.02:1)
Aaon black
15.38:1passpasspassPasses 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 #1dfc90 as the background.

Brands using this color

mcpConnect your agent — build around #1dfc90
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 #1dfc90 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1dfc90-a2beb4-d459d0-1f2d2c-e9f1ea?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