Color

#40b13e

#40b13e
hex#40b13e
rgbrgb(64, 177, 62)
hslhsl(119, 48%, 47%)
oklchoklch(0.672 0.185 142.9)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3288

Colors that go with #40b13e

Charcoal, Royal Blue and Taupe 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 →

#af3eb1

#7ab13e · #3eb176

#3e40b1 · #b13e40

Split-complementary

Open in tool →

#763eb1 · #b13e7a

#3e7ab1 · #af3eb1 · #b1763e

Contrast

#40b13e as textRatioAAAA largeAAAFix
Aaon white
2.77:1failfailfail
  • AA: use #30842e as the text (4.7:1)
  • AAA: use #246222 as the text (7.38:1)
  • AA: or shift the background to #333333 (4.56:1)
  • AAA: or shift the background to #0d0d0d (7.01:1)
Aaon black
7.58:1passpasspassPasses 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 #40b13e 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 #40b13e
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 #40b13e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40b13e-a2bea5-964edf-1f2d25-edf1e9?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