Color

#d5fc27

#d5fc27
hex#d5fc27
rgbrgb(213, 252, 39)
hslhsl(71, 97%, 57%)
oklchoklch(0.931 0.215 120.6)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.8391

Colors that go with #d5fc27

Blue, Crimson and Red 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 →

#4e27fc

#fcb827 · #6afc27

#27d5fc · #fc27d5

Split-complementary

Open in tool →

#276afc · #b827fc

#27fcb8 · #4e27fc · #fc276a

Contrast

#d5fc27 as textRatioAAAA largeAAAFix
Aaon white
1.18:1failfailfail
  • AA: use #677e02 as the text (4.6:1)
  • AAA: use #4e5f01 as the text (7.09:1)
  • AA: or shift the background to #6b6b6b (4.51:1)
  • AAA: or shift the background to #4d4d4d (7.16:1)
Aaon black
17.78:1passpasspassPasses 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 #d5fc27 as the background.

Brands using this color

mcpConnect your agent — build around #d5fc27
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 #d5fc27 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d5fc27-b6bea2-4e7adf-252d1f-f1efe9?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