Color

#283f21

#283f21
hex#283f21
rgbrgb(40, 63, 33)
hslhsl(106, 31%, 19%)
oklchoklch(0.34 0.058 138.6)
Closest name: Myrtle (#21421e)Relative luminance 0.0412

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#38213f

#373f21 · #213f29

#21283f · #3f2128

Split-complementary

Open in tool →

#29213f · #3f2137

#21373f · #38213f · #3f2921

Contrast

#283f21 as textRatioAAAA largeAAAFix
Aaon white
11.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #538245 as the text (4.65:1)
  • AAA: use #68a456 as the text (7.03:1)
  • AA: or shift the background to #a3a3a3 (4.57:1)
  • AAA: or shift the background to #cccccc (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #283f21 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#283f21 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #283f21
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #283f21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/283f21-a5bea2-774edf-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