Color

#299e5a

#299e5a
hex#299e5a
rgbrgb(41, 158, 90)
hslhsl(145, 59%, 39%)
oklchoklch(0.619 0.144 152.9)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.2566

Colors that go with #299e5a

Charcoal, Blue and Crimson 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 →

#9e296d

#339e29 · #299e94

#5a299e · #9e5a29

Split-complementary

Open in tool →

#94299e · #9e2933

#29339e · #9e296d · #9e9429

Contrast

#299e5a as textRatioAAAA largeAAAFix
Aaon white
3.42:1failpassfail
  • AA: use #23864c as the text (4.58:1)
  • AAA: use #1a6539 as the text (7.08:1)
  • AA: or shift the background to #242424 (4.53:1)
Aaon black
6.13:1passpassfail
  • AAA: use #2caa61 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #299e5a as the background.

Brands using this color

mcpConnect your agent — build around #299e5a
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 #299e5a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/299e5a-a2beb1-cc59d4-1f2d2b-eaf1e9?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