Color

#458c51

#458c51
hex#458c51
rgbrgb(69, 140, 81)
hslhsl(130, 34%, 41%)
oklchoklch(0.578 0.115 147.6)
Closest name: Beanpole (#4e8747)Relative luminance 0.2062

Colors that go with #458c51

Charcoal, Royal Blue and Copper 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 →

#8c4580

#5d8c45 · #458c74

#51458c · #8c5145

Split-complementary

Open in tool →

#74458c · #8c455d

#455d8c · #8c4580 · #8c7445

Contrast

#458c51 as textRatioAAAA largeAAAFix
Aaon white
4.1:1failpassfail
  • AA: use #40824b as the text (4.65:1)
  • AAA: use #316339 as the text (7.06:1)
  • AA: or shift the background to #121212 (4.57:1)
Aaon black
5.12:1passpassfail
  • AAA: use #52a761 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #458c51 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 #458c51
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 #458c51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/458c51-a2beaa-b14edf-1f2d28-ecf1e9?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