Color

#7dd421

#7dd421
hex#7dd421
rgbrgb(125, 212, 33)
hslhsl(89, 73%, 48%)
oklchoklch(0.784 0.214 133.5)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.5156

Colors that go with #7dd421

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 →

#7721d4

#d4d121 · #24d421

#217dd4 · #d4217d

Split-complementary

Open in tool →

#2124d4 · #d121d4

#21d4d1 · #7721d4 · #d42124

Contrast

#7dd421 as textRatioAAAA largeAAAFix
Aaon white
1.86:1failfailfail
  • AA: use #4e8415 as the text (4.53:1)
  • AAA: use #39610f as the text (7.26:1)
  • AA: or shift the background to #4d4d4d (4.55:1)
  • AAA: or shift the background to #303030 (7.11:1)
Aaon black
11.31:1passpasspassPasses 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 #7dd421 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 #7dd421
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 #7dd421 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7dd421-adbea2-4e4edf-212d1f-f1f1e9?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