Color

#3af256

#3af256
hex#3af256
rgbrgb(58, 242, 86)
hslhsl(129, 88%, 59%)
oklchoklch(0.842 0.245 145)
Closest name: Becquerel (#4bec13)Relative luminance 0.6508

Colors that go with #3af256

Violet, Deep Sky Blue and Royal 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 →

#f23ad7

#7bf23a · #3af2b2

#563af2 · #f2563a

Split-complementary

Open in tool →

#b23af2 · #f23a7b

#3a7bf2 · #f23ad7 · #f2b23a

Contrast

#3af256 as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #09861b as the text (4.73:1)
  • AAA: use #066515 as the text (7.29:1)
  • AA: or shift the background to #595959 (4.67:1)
  • AAA: or shift the background to #3d3d3d (7.25:1)
Aaon black
14.02:1passpasspassPasses 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 #3af256 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 #3af256
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 #3af256 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3af256-a2bea9-ae4edf-1f2d27-ecf1e9?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