Color

#3ab215

#3ab215
hex#3ab215
rgbrgb(58, 178, 21)
hslhsl(106, 79%, 39%)
oklchoklch(0.67 0.21 140.2)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3279

Colors that go with #3ab215

Royal Blue, Taupe and Medium Orchid 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 →

#8d15b2

#88b215 · #15b23f

#153ab2 · #b2153a

Split-complementary

Open in tool →

#3f15b2 · #b21588

#1588b2 · #8d15b2 · #b23f15

Contrast

#3ab215 as textRatioAAAA largeAAAFix
Aaon white
2.78:1failfailfail
  • AA: use #2b8410 as the text (4.76:1)
  • AAA: use #20640c as the text (7.27:1)
  • AA: or shift the background to #333333 (4.55:1)
  • AAA: or shift the background to #0a0a0a (7.13:1)
Aaon black
7.56:1passpasspassPasses 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 #3ab215 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 #3ab215
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 #3ab215 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ab215-a5bea2-774edf-1f2d22-eff1e9?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