Color

#21d605

#21d605
hex#21d605
rgbrgb(33, 214, 5)
hslhsl(112, 95%, 43%)
oklchoklch(0.761 0.254 141.9)
Closest name: Candy Green (#33cc00)Relative luminance 0.4843

Colors that go with #21d605

Taupe, Violet and Hot Pink 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 →

#ba05d6

#89d605 · #05d652

#0521d6 · #d60521

Split-complementary

Open in tool →

#5205d6 · #d60589

#0589d6 · #ba05d6 · #d65205

Contrast

#21d605 as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #158603 as the text (4.73:1)
  • AAA: use #0f6303 as the text (7.48:1)
  • AA: or shift the background to #4a4a4a (4.51:1)
  • AAA: or shift the background to #2b2b2b (7.2:1)
Aaon black
10.69:1passpasspassPasses 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 #21d605 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 #21d605
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 #21d605 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/21d605-a2bea2-864edf-1f2d23-eef1e9?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