Color

#40b017

#40b017
hex#40b017
rgbrgb(64, 176, 23)
hslhsl(104, 77%, 39%)
oklchoklch(0.667 0.205 139.6)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.322

Colors that go with #40b017

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 →

#8717b0

#8cb017 · #17b03b

#1740b0 · #b01740

Split-complementary

Open in tool →

#3b17b0 · #b0178c

#178cb0 · #8717b0 · #b03b17

Contrast

#40b017 as textRatioAAAA largeAAAFix
Aaon white
2.82:1failfailfail
  • AA: use #318712 as the text (4.56:1)
  • AAA: use #24630d as the text (7.33:1)
  • AA: or shift the background to #303030 (4.68:1)
  • AAA: or shift the background to #0a0a0a (7.01:1)
Aaon black
7.44:1passpasspassPasses 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 #40b017 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 #40b017
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 #40b017 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40b017-a6bea2-724edf-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