Color

#306e4a

#306e4a
hex#306e4a
rgbrgb(48, 110, 74)
hslhsl(145, 39%, 31%)
oklchoklch(0.487 0.087 155.7)
Closest name: Into the Green (#0d6c49)Relative luminance 0.1227

Colors that go with #306e4a

Charcoal, Royal Blue and Medium Violet Red 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 →

#6e3054

#356e30 · #306e69

#4a306e · #6e4a30

Split-complementary

Open in tool →

#69306e · #6e3035

#30356e · #6e3054 · #6e6930

Contrast

#306e4a as textRatioAAAA largeAAAFix
Aaon white
6.08:1passpassfail
  • AAA: use #2c6343 as the text (7.06:1)
Aaon black
3.45:1failpassfail
  • AA: use #3a8358 as the text (4.57:1)
  • AAA: use #49a770 as the text (7.04:1)
  • AA: or shift the background to #dedede (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #306e4a as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #306e4a
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 #306e4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/306e4a-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