Color

#40fc8e

#40fc8e
hex#40fc8e
rgbrgb(64, 252, 142)
hslhsl(145, 97%, 62%)
oklchoklch(0.876 0.21 152.3)
Closest name: mediumspringgreen (#00fa9a)Relative luminance 0.7266

Colors that go with #40fc8e

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 →

#fc40ae

#50fc40 · #40fcec

#8e40fc · #fc8e40

Split-complementary

Open in tool →

#ec40fc · #fc4050

#4050fc · #fc40ae · #fcec40

Contrast

#40fc8e as textRatioAAAA largeAAAFix
Aaon white
1.35:1failfailfail
  • AA: use #02883a as the text (4.58:1)
  • AAA: use #02642b as the text (7.34:1)
  • AA: or shift the background to #616161 (4.58:1)
  • AAA: or shift the background to #454545 (7.09:1)
Aaon black
15.53:1passpasspassPasses 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 #40fc8e 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 #40fc8e
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 #40fc8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40fc8e-a2beb1-cc59d4-1f2d2b-eaf1e9?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