Color

#153c33

#153c33
hex#153c33
rgbrgb(21, 60, 51)
hslhsl(166, 48%, 16%)
oklchoklch(0.325 0.047 175.6)
Closest name: Botanical Night (#12403c)Relative luminance 0.0363

Colors that go with #153c33

Rust, Sea Green and Sienna 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 →

#3c151e

#153c20 · #15323c

#33153c · #3c3315

Split-complementary

Open in tool →

#3c1532 · #3c2015

#20153c · #3c151e · #323c15

Contrast

#153c33 as textRatioAAAA largeAAAFix
Aaon white
12.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #2e8470 as the text (4.65:1)
  • AAA: use #3aa68d as the text (7.02:1)
  • AA: or shift the background to #9e9e9e (4.54:1)
  • AAA: or shift the background to #c7c7c7 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #153c33 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#153c33 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #153c33
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 #153c33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/153c33-a2bebb-d459b1-1f2a2d-e9f1ec?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